662675540377536 has 336 divisors, whose sum is σ = 2188117391908864. Its totient is φ = 187824752252928.

The previous prime is 662675540377531. The next prime is 662675540377541. The reversal of 662675540377536 is 635773045576266.

It is a happy number.

662675540377536 is a `hidden beast` number, since 6 + 6 + 2 + 6 + 7 + 5 + 54 + 0 + 37 + 7 + 536 = 666.

It is an interprime number because it is at equal distance from previous prime (662675540377531) and next prime (662675540377541).

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662675540377531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5106749391 + ... + 5106879153.

Almost surely, 2^{662675540377536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662675540377536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094058695954432).

662675540377536 is an abundant number, since it is smaller than the sum of its proper divisors (1525441851531328).

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

662675540377536 is a wasteful number, since it uses less digits than its factorization.

662675540377536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139888 (or 139875 counting only the distinct ones).

The product of its (nonzero) digits is 4000752000, while the sum is 72.

The spelling of 662675540377536 in words is "six hundred sixty-two trillion, six hundred seventy-five billion, five hundred forty million, three hundred seventy-seven thousand, five hundred thirty-six".