16734120525 has 18 divisors (see below), whose sum is σ = 29972669610. Its totient is φ = 8924864160.

The previous prime is 16734120523. The next prime is 16734120541. The reversal of 16734120525 is 52502143761.

16734120525 is a `hidden beast` number, since 1 + 6 + 7 + 3 + 4 + 120 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 153437769 + 16580682756 = 12387^2 + 128766^2 .

It is not a de Polignac number, because 16734120525 - 2¹ = 16734120523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16734120525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16734120523) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37186710 + ... + 37187159.

Almost surely, 2^16734120525 is an apocalyptic number.

16734120525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16734120525 is a deficient number, since it is larger than the sum of its proper divisors (13238549085).

16734120525 is a wasteful number, since it uses less digits than its factorization.

16734120525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74373885 (or 74373877 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 16734120525 in words is "sixteen billion, seven hundred thirty-four million, one hundred twenty thousand, five hundred twenty-five".