16934359418525 has 24 divisors (see below), whose sum is σ = 23000501166120. Its totient is φ = 12310901442560.

The previous prime is 16934359418503. The next prime is 16934359418531. The reversal of 16934359418525 is 52581495343961.

It can be written as a sum of positive squares in 12 ways, for example, as 1076171787769 + 15858187630756 = 1037387^2 + 3982234^2 .

It is not a de Polignac number, because 16934359418525 - 2⁸ = 16934359418269 is a prime.

It is a super-2 number, since 2×16934359418525² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686979944 + ... + 687004593.

It is an arithmetic number, because the mean of its divisors is an integer number (958354215255).

Almost surely, 2^{16934359418525} is an apocalyptic number.

It is an amenable number.

16934359418525 is a deficient number, since it is larger than the sum of its proper divisors (6066141747595).

16934359418525 is a wasteful number, since it uses less digits than its factorization.

16934359418525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373984593 (or 1373984588 counting only the distinct ones).

The product of its digits is 139968000, while the sum is 65.

The spelling of 16934359418525 in words is "sixteen trillion, nine hundred thirty-four billion, three hundred fifty-nine million, four hundred eighteen thousand, five hundred twenty-five".