91694133149620 has 96 divisors (see below), whose sum is σ = 194033232691200. Its totient is φ = 36397660521600.

The previous prime is 91694133149557. The next prime is 91694133149623. The reversal of 91694133149620 is 2694133149619.

It is a super-2 number, since 2×91694133149620² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91694133149623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9722626305 + ... + 9722635735.

It is an arithmetic number, because the mean of its divisors is an integer number (2021179507200).

Almost surely, 2^{91694133149620} is an apocalyptic number.

It is an amenable number.

91694133149620 is an abundant number, since it is smaller than the sum of its proper divisors (102339099541580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91694133149620 is a wasteful number, since it uses less digits than its factorization.

91694133149620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16109 (or 16107 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 91694133149620 in words is "ninety-one trillion, six hundred ninety-four billion, one hundred thirty-three million, one hundred forty-nine thousand, six hundred twenty".