91746632318 has 16 divisors (see below), whose sum is σ = 158032477440. Its totient is φ = 39508119000.

The previous prime is 91746632317. The next prime is 91746632321. The reversal of 91746632318 is 81323664719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91746632311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109744358 + ... + 109745193.

It is an arithmetic number, because the mean of its divisors is an integer number (9877029840).

Almost surely, 2^91746632318 is an apocalyptic number.

91746632318 is a deficient number, since it is larger than the sum of its proper divisors (66285845122).

91746632318 is a wasteful number, since it uses less digits than its factorization.

91746632318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219489583.

The product of its digits is 1306368, while the sum is 50.

The spelling of 91746632318 in words is "ninety-one billion, seven hundred forty-six million, six hundred thirty-two thousand, three hundred eighteen".