16525250376389 has 16 divisors (see below), whose sum is σ = 17248146531840. Its totient is φ = 15817600256640.

The previous prime is 16525250376347. The next prime is 16525250376391. The reversal of 16525250376389 is 98367305252561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16525250376389 - 2²⁸ = 16524981940933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16525250376989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118852292 + ... + 118991250.

It is an arithmetic number, because the mean of its divisors is an integer number (1078009158240).

Almost surely, 2^{16525250376389} is an apocalyptic number.

It is an amenable number.

16525250376389 is a deficient number, since it is larger than the sum of its proper divisors (722896155451).

16525250376389 is a wasteful number, since it uses less digits than its factorization.

16525250376389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193780.

The product of its (nonzero) digits is 81648000, while the sum is 62.

The spelling of 16525250376389 in words is "sixteen trillion, five hundred twenty-five billion, two hundred fifty million, three hundred seventy-six thousand, three hundred eighty-nine".