16574224661725 has 12 divisors (see below), whose sum is σ = 21633724822240. Its totient is φ = 12561517638000.

The previous prime is 16574224661681. The next prime is 16574224661789. The reversal of 16574224661725 is 52716642247561.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16574224661725 is a prime.

It is a super-3 number, since 3×16574224661725³ (a number of 41 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (58) 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 16574224661725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17446551801 + ... + 17446552750.

Almost surely, 2^{16574224661725} is an apocalyptic number.

It is an amenable number.

16574224661725 is a deficient number, since it is larger than the sum of its proper divisors (5059500160515).

16574224661725 is a wasteful number, since it uses less digits than its factorization.

16574224661725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34893104580 (or 34893104575 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 58.

The spelling of 16574224661725 in words is "sixteen trillion, five hundred seventy-four billion, two hundred twenty-four million, six hundred sixty-one thousand, seven hundred twenty-five".