662789952 has 280 divisors, whose sum is σ = 2190719520. Its totient is φ = 196439040.

The previous prime is 662789927. The next prime is 662789989. The reversal of 662789952 is 259987266.

662789952 is a `hidden beast` number, since 6 + 627 + 8 + 9 + 9 + 5 + 2 = 666.

It is a super-3 number, since 3×662789952³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3364318 + ... + 3364514.

Almost surely, 2^662789952 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 662789952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095359760).

662789952 is an abundant number, since it is smaller than the sum of its proper divisors (1527929568).

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

662789952 is a wasteful number, since it uses less digits than its factorization.

662789952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 272 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 662789952 is about 25744.7072618820. The cubic root of 662789952 is about 871.8838607494.

The spelling of 662789952 in words is "six hundred sixty-two million, seven hundred eighty-nine thousand, nine hundred fifty-two".