82400574166 has 24 divisors (see below), whose sum is σ = 132881180040. Its totient is φ = 38309528832.

The previous prime is 82400574143. The next prime is 82400574199. The reversal of 82400574166 is 66147500428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 810831 + ... + 906778.

It is an arithmetic number, because the mean of its divisors is an integer number (5536715835).

Almost surely, 2^82400574166 is an apocalyptic number.

82400574166 is a deficient number, since it is larger than the sum of its proper divisors (50480605874).

82400574166 is a wasteful number, since it uses less digits than its factorization.

82400574166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717728 (or 1717711 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 82400574166 in words is "eighty-two billion, four hundred million, five hundred seventy-four thousand, one hundred sixty-six".