52661516256 has 60 divisors (see below), whose sum is σ = 154876064112. Its totient is φ = 17553837888.

The previous prime is 52661516249. The next prime is 52661516263. The reversal of 52661516256 is 65261516625.

52661516256 is a `hidden beast` number, since 5 + 2 + 6 + 6 + 15 + 1 + 625 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (52661516249) and next prime (52661516263).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10155880 + ... + 10161063.

Almost surely, 2^52661516256 is an apocalyptic number.

It is an amenable number.

52661516256 is an abundant number, since it is smaller than the sum of its proper divisors (102214547856).

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

52661516256 is a wasteful number, since it uses less digits than its factorization.

52661516256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20316965 (or 20316948 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The spelling of 52661516256 in words is "fifty-two billion, six hundred sixty-one million, five hundred sixteen thousand, two hundred fifty-six".