91534901674 has 16 divisors (see below), whose sum is σ = 137876979168. Its totient is φ = 45576252112.

The previous prime is 91534901621. The next prime is 91534901683. The reversal of 91534901674 is 47610943519.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451149 + ... + 621775.

It is an arithmetic number, because the mean of its divisors is an integer number (8617311198).

Almost surely, 2^91534901674 is an apocalyptic number.

91534901674 is a deficient number, since it is larger than the sum of its proper divisors (46342077494).

91534901674 is a wasteful number, since it uses less digits than its factorization.

91534901674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171749.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 91534901674 in words is "ninety-one billion, five hundred thirty-four million, nine hundred one thousand, six hundred seventy-four".