168765460825 has 48 divisors (see below), whose sum is σ = 240769520320. Its totient is φ = 116305009920.

The previous prime is 168765460817. The next prime is 168765460849. The reversal of 168765460825 is 528064567861.

It is a happy number.

It is not a de Polignac number, because 168765460825 - 2³ = 168765460817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168765460825.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209767 + ... + 617683.

Almost surely, 2^168765460825 is an apocalyptic number.

It is an amenable number.

168765460825 is a deficient number, since it is larger than the sum of its proper divisors (72004059495).

168765460825 is a wasteful number, since it uses less digits than its factorization.

168765460825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408026 (or 408021 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 168765460825 in words is "one hundred sixty-eight billion, seven hundred sixty-five million, four hundred sixty thousand, eight hundred twenty-five".