16472173155752 has 32 divisors (see below), whose sum is σ = 32729612365800. Its totient is φ = 7758130329600.

The previous prime is 16472173155721. The next prime is 16472173155769. The reversal of 16472173155752 is 25755137127461.

It can be written as a sum of positive squares in 4 ways, for example, as 6506243938756 + 9965929216996 = 2550734^2 + 3156886^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 865853249 + ... + 865872272.

Almost surely, 2^{16472173155752} is an apocalyptic number.

It is an amenable number.

16472173155752 is a deficient number, since it is larger than the sum of its proper divisors (16257439210048).

16472173155752 is a wasteful number, since it uses less digits than its factorization.

16472173155752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731725597 (or 1731725593 counting only the distinct ones).

The product of its digits is 12348000, while the sum is 56.

The spelling of 16472173155752 in words is "sixteen trillion, four hundred seventy-two billion, one hundred seventy-three million, one hundred fifty-five thousand, seven hundred fifty-two".