82508415166 has 4 divisors (see below), whose sum is σ = 123762622752. Its totient is φ = 41254207582.

The previous prime is 82508415163. The next prime is 82508415181. The reversal of 82508415166 is 66151480528.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82508415163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20627103790 + ... + 20627103793.

It is an arithmetic number, because the mean of its divisors is an integer number (30940655688).

Almost surely, 2^82508415166 is an apocalyptic number.

82508415166 is a deficient number, since it is larger than the sum of its proper divisors (41254207586).

82508415166 is a wasteful number, since it uses less digits than its factorization.

82508415166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41254207585.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 82508415166 in words is "eighty-two billion, five hundred eight million, four hundred fifteen thousand, one hundred sixty-six".