91716642110 has 32 divisors (see below), whose sum is σ = 176627757600. Its totient is φ = 34186008960.

The previous prime is 91716642097. The next prime is 91716642233. The reversal of 91716642110 is 1124661719.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945125 + ... + 3968304.

It is an arithmetic number, because the mean of its divisors is an integer number (5519617425).

Almost surely, 2^91716642110 is an apocalyptic number.

91716642110 is a deficient number, since it is larger than the sum of its proper divisors (84911115490).

91716642110 is a wasteful number, since it uses less digits than its factorization.

91716642110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913516.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 91716642110 in words is "ninety-one billion, seven hundred sixteen million, six hundred forty-two thousand, one hundred ten".