91940600670 has 32 divisors (see below), whose sum is σ = 220666239360. Its totient is φ = 24516516000.

The previous prime is 91940600669. The next prime is 91940600789. The reversal of 91940600670 is 7600604919.

It is a congruent number.

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, 1014061 + ... + 1100999.

It is an arithmetic number, because the mean of its divisors is an integer number (6895819980).

Almost surely, 2^91940600670 is an apocalyptic number.

91940600670 is an abundant number, since it is smaller than the sum of its proper divisors (128725638690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91940600670 is a wasteful number, since it uses less digits than its factorization.

91940600670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122200.

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 91940600670 in words is "ninety-one billion, nine hundred forty million, six hundred thousand, six hundred seventy".