70530156864 has 224 divisors, whose sum is σ = 210252746880. Its totient is φ = 23182848000.

The previous prime is 70530156863. The next prime is 70530156877. The reversal of 70530156864 is 46865103507.

70530156864 is a `hidden beast` number, since 7 + 0 + 530 + 1 + 56 + 8 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70530156863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39160764 + ... + 39162564.

Almost surely, 2^70530156864 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 70530156864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105126373440).

70530156864 is an abundant number, since it is smaller than the sum of its proper divisors (139722590016).

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

70530156864 is a wasteful number, since it uses less digits than its factorization.

70530156864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2110 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 70530156864 in words is "seventy billion, five hundred thirty million, one hundred fifty-six thousand, eight hundred sixty-four".