91612567010 has 16 divisors (see below), whose sum is σ = 174602775096. Its totient is φ = 34489436928.

The previous prime is 91612567003. The next prime is 91612567051. The reversal of 91612567010 is 1076521619.

It can be written as a sum of positive squares in 4 ways, for example, as 68095424401 + 23517142609 = 260951^2 + 153353^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269448557 + ... + 269448896.

Almost surely, 2^91612567010 is an apocalyptic number.

91612567010 is a deficient number, since it is larger than the sum of its proper divisors (82990208086).

91612567010 is a wasteful number, since it uses less digits than its factorization.

91612567010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538897477.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 91612567010 in words is "ninety-one billion, six hundred twelve million, five hundred sixty-seven thousand, ten".