82160045 has 16 divisors (see below), whose sum is σ = 111265920. Its totient is φ = 57691200.

The previous prime is 82160041. The next prime is 82160053. The reversal of 82160045 is 54006128.

It is not a de Polignac number, because 82160045 - 2² = 82160041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82159996 and 82160023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82160041) 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, 24161 + ... + 27350.

It is an arithmetic number, because the mean of its divisors is an integer number (6954120).

Almost surely, 2^82160045 is an apocalyptic number.

It is an amenable number.

82160045 is a deficient number, since it is larger than the sum of its proper divisors (29105875).

82160045 is a wasteful number, since it uses less digits than its factorization.

82160045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51556.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 82160045 is about 9064.2178371882. The cubic root of 82160045 is about 434.7306122623.

The spelling of 82160045 in words is "eighty-two million, one hundred sixty thousand, forty-five".