85167664930 has 32 divisors (see below), whose sum is σ = 158287633920. Its totient is φ = 32959666560.

The previous prime is 85167664913. The next prime is 85167664943. The reversal of 85167664930 is 3946676158.

It is a super-2 number, since 2×85167664930² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249902 + ... + 1316278.

It is an arithmetic number, because the mean of its divisors is an integer number (4946488560).

Almost surely, 2^85167664930 is an apocalyptic number.

85167664930 is a deficient number, since it is larger than the sum of its proper divisors (73119968990).

85167664930 is a wasteful number, since it uses less digits than its factorization.

85167664930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70554.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 85167664930 in words is "eighty-five billion, one hundred sixty-seven million, six hundred sixty-four thousand, nine hundred thirty".