82160625 has 40 divisors (see below), whose sum is σ = 141704640. Its totient is φ = 42280000.

The previous prime is 82160599. The next prime is 82160647. The reversal of 82160625 is 52606128.

It is not a de Polignac number, because 82160625 - 2⁵ = 82160593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82160592 and 82160601.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53620 + ... + 55130.

It is an arithmetic number, because the mean of its divisors is an integer number (3542616).

Almost surely, 2^82160625 is an apocalyptic number.

It is an amenable number.

82160625 is a deficient number, since it is larger than the sum of its proper divisors (59544015).

82160625 is a wasteful number, since it uses less digits than its factorization.

82160625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 82160625 is about 9064.2498310671. The cubic root of 82160625 is about 434.7316352379.

The spelling of 82160625 in words is "eighty-two million, one hundred sixty thousand, six hundred twenty-five".