82115166007 has 32 divisors (see below), whose sum is σ = 103026115584. Its totient is φ = 63906796800.

The previous prime is 82115165983. The next prime is 82115166109. The reversal of 82115166007 is 70066151128.

It is not a de Polignac number, because 82115166007 - 2⁷ = 82115165879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82115166407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76132 + ... + 412342.

It is an arithmetic number, because the mean of its divisors is an integer number (3219566112).

Almost surely, 2^82115166007 is an apocalyptic number.

82115166007 is a deficient number, since it is larger than the sum of its proper divisors (20910949577).

82115166007 is a wasteful number, since it uses less digits than its factorization.

82115166007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336319.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 82115166007 in words is "eighty-two billion, one hundred fifteen million, one hundred sixty-six thousand, seven".