17012720164 has 24 divisors (see below), whose sum is σ = 32572457568. Its totient is φ = 7710762240.

The previous prime is 17012720161. The next prime is 17012720203. The reversal of 17012720164 is 46102721071.

It is not an unprimeable number, because it can be changed into a prime (17012720161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541869 + ... + 572404.

It is an arithmetic number, because the mean of its divisors is an integer number (1357185732).

Almost surely, 2^17012720164 is an apocalyptic number.

It is an amenable number.

17012720164 is a deficient number, since it is larger than the sum of its proper divisors (15559737404).

17012720164 is a wasteful number, since it uses less digits than its factorization.

17012720164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114635 (or 1114633 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 17012720164 in words is "seventeen billion, twelve million, seven hundred twenty thousand, one hundred sixty-four".