91602040983 has 16 divisors (see below), whose sum is σ = 124960430592. Its totient is φ = 59669100000.

The previous prime is 91602040979. The next prime is 91602040997. The reversal of 91602040983 is 38904020619.

It is not a de Polignac number, because 91602040983 - 2² = 91602040979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91602040963) by changing a digit.

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, 1629843 + ... + 1685108.

It is an arithmetic number, because the mean of its divisors is an integer number (7810026912).

Almost surely, 2^91602040983 is an apocalyptic number.

91602040983 is a deficient number, since it is larger than the sum of its proper divisors (33358389609).

91602040983 is a wasteful number, since it uses less digits than its factorization.

91602040983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315166.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 91602040983 in words is "ninety-one billion, six hundred two million, forty thousand, nine hundred eighty-three".