16550345172575 has 12 divisors (see below), whose sum is σ = 21230097946440. Its totient is φ = 12783714891360.

The previous prime is 16550345172553. The next prime is 16550345172577. The reversal of 16550345172575 is 57527154305561.

It is not a de Polignac number, because 16550345172575 - 2¹⁶ = 16550345107039 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16550345172575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16550345172577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11414030429 + ... + 11414031878.

It is an arithmetic number, because the mean of its divisors is an integer number (1769174828870).

Almost surely, 2^{16550345172575} is an apocalyptic number.

16550345172575 is a deficient number, since it is larger than the sum of its proper divisors (4679752773865).

16550345172575 is a wasteful number, since it uses less digits than its factorization.

16550345172575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22828062346 (or 22828062341 counting only the distinct ones).

The product of its (nonzero) digits is 22050000, while the sum is 56.

The spelling of 16550345172575 in words is "sixteen trillion, five hundred fifty billion, three hundred forty-five million, one hundred seventy-two thousand, five hundred seventy-five".