91001373196 has 12 divisors (see below), whose sum is σ = 159264384048. Its totient is φ = 45497263472.

The previous prime is 91001373193. The next prime is 91001373227. The reversal of 91001373196 is 69137310019.

It is not an unprimeable number, because it can be changed into a prime (91001373193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 795496 + ... + 902671.

It is an arithmetic number, because the mean of its divisors is an integer number (13272032004).

Almost surely, 2^91001373196 is an apocalyptic number.

It is an amenable number.

91001373196 is a deficient number, since it is larger than the sum of its proper divisors (68263010852).

91001373196 is a wasteful number, since it uses less digits than its factorization.

91001373196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711568 (or 1711566 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The spelling of 91001373196 in words is "ninety-one billion, one million, three hundred seventy-three thousand, one hundred ninety-six".