91652479805816 has 8 divisors (see below), whose sum is σ = 171848399635920. Its totient is φ = 45826239902904.

The previous prime is 91652479805791. The next prime is 91652479805827. The reversal of 91652479805816 is 61850897425619.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×91652479805816³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91652479805816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5728279987856 + ... + 5728279987871.

It is an arithmetic number, because the mean of its divisors is an integer number (21481049954490).

Almost surely, 2^{91652479805816} is an apocalyptic number.

It is an amenable number.

91652479805816 is a deficient number, since it is larger than the sum of its proper divisors (80195919830104).

91652479805816 is a wasteful number, since it uses less digits than its factorization.

91652479805816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456559975733 (or 11456559975729 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 71.

The spelling of 91652479805816 in words is "ninety-one trillion, six hundred fifty-two billion, four hundred seventy-nine million, eight hundred five thousand, eight hundred sixteen".