91950033612 has 12 divisors (see below), whose sum is σ = 214550078456. Its totient is φ = 30650011200.

The previous prime is 91950033559. The next prime is 91950033629. The reversal of 91950033612 is 21633005919.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 3831251389 + ... + 3831251412.

Almost surely, 2^91950033612 is an apocalyptic number.

It is an amenable number.

91950033612 is an abundant number, since it is smaller than the sum of its proper divisors (122600044844).

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

91950033612 is a wasteful number, since it uses less digits than its factorization.

91950033612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662502808 (or 7662502806 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 91950033612 in words is "ninety-one billion, nine hundred fifty million, thirty-three thousand, six hundred twelve".