70518926916 has 45 divisors (see below), whose sum is σ = 184362901261. Its totient is φ = 23504715648.

The previous prime is 70518926909. The next prime is 70518926917. The reversal of 70518926916 is 61962981507.

The square root of 70518926916 is 265554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34607160900 + 35911766016 = 186030^2 + 189504^2 .

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70518926917) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4772596 + ... + 4787348.

Almost surely, 2^70518926916 is an apocalyptic number.

70518926916 is the 265554-th square number.

It is an amenable number.

70518926916 is an abundant number, since it is smaller than the sum of its proper divisors (113843974345).

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

70518926916 is an frugal number, since it uses more digits than its factorization.

70518926916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29522 (or 14758 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 70518926916 in words is "seventy billion, five hundred eighteen million, nine hundred twenty-six thousand, nine hundred sixteen".