70112166172 has 12 divisors (see below), whose sum is σ = 124074901440. Its totient is φ = 34662194336.

The previous prime is 70112166161. The next prime is 70112166181. The reversal of 70112166172 is 27166121107.

It is a super-2 number, since 2×70112166172² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98471788 + ... + 98472499.

It is an arithmetic number, because the mean of its divisors is an integer number (10339575120).

Almost surely, 2^70112166172 is an apocalyptic number.

It is an amenable number.

70112166172 is a deficient number, since it is larger than the sum of its proper divisors (53962735268).

70112166172 is a wasteful number, since it uses less digits than its factorization.

70112166172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196944380 (or 196944378 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

Adding to 70112166172 its reverse (27166121107), we get a palindrome (97278287279).

The spelling of 70112166172 in words is "seventy billion, one hundred twelve million, one hundred sixty-six thousand, one hundred seventy-two".