662944969032480 has 576 divisors, whose sum is σ = 2379924417282048. Its totient is φ = 167719855564800.

The previous prime is 662944969032439. The next prime is 662944969032487. The reversal of 662944969032480 is 84230969449266.

662944969032480 is a `hidden beast` number, since 6 + 6 + 2 + 9 + 4 + 496 + 90 + 3 + 2 + 48 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 662944969032399 and 662944969032408.

It is not an unprimeable number, because it can be changed into a prime (662944969032487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16198209777 + ... + 16198250703.

It is an arithmetic number, because the mean of its divisors is an integer number (4131813224448).

Almost surely, 2^{662944969032480} is an apocalyptic number.

662944969032480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662944969032480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189962208641024).

662944969032480 is an abundant number, since it is smaller than the sum of its proper divisors (1716979448249568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662944969032480 is a wasteful number, since it uses less digits than its factorization.

662944969032480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44949 (or 44938 counting only the distinct ones).

The product of its (nonzero) digits is 967458816, while the sum is 72.

The spelling of 662944969032480 in words is "six hundred sixty-two trillion, nine hundred forty-four billion, nine hundred sixty-nine million, thirty-two thousand, four hundred eighty".