91680633037510 has 32 divisors (see below), whose sum is σ = 180510072206112. Its totient is φ = 33249032878080.

The previous prime is 91680633037489. The next prime is 91680633037573. The reversal of 91680633037510 is 1573033608619.

It is a happy number.

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, 1117197979 + ... + 1117280038.

It is an arithmetic number, because the mean of its divisors is an integer number (5640939756441).

Almost surely, 2^{91680633037510} is an apocalyptic number.

91680633037510 is a deficient number, since it is larger than the sum of its proper divisors (88829439168602).

91680633037510 is a wasteful number, since it uses less digits than its factorization.

91680633037510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234478408.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 91680633037510 in words is "ninety-one trillion, six hundred eighty billion, six hundred thirty-three million, thirty-seven thousand, five hundred ten".