70016864448 has 56 divisors (see below), whose sum is σ = 185279558320. Its totient is φ = 23335603200.

The previous prime is 70016864429. The next prime is 70016864459. The reversal of 70016864448 is 84446861007.

It is a Cunningham number, because it is equal to 264607²-1.

It is a super-2 number, since 2×70016864448² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 70016864397 and 70016864406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565598 + ... + 1609698.

Almost surely, 2^70016864448 is an apocalyptic number.

It is an amenable number.

70016864448 is an abundant number, since it is smaller than the sum of its proper divisors (115262693872).

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

70016864448 is a wasteful number, since it uses less digits than its factorization.

70016864448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52385 (or 52375 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 70016864448 in words is "seventy billion, sixteen million, eight hundred sixty-four thousand, four hundred forty-eight".