91568339557941 has 16 divisors (see below), whose sum is σ = 129302826159744. Its totient is φ = 57441366119424.

The previous prime is 91568339557913. The next prime is 91568339557987. The reversal of 91568339557941 is 14975593386519.

It is not a de Polignac number, because 91568339557941 - 2²⁵ = 91568306003509 is a prime.

It is a super-3 number, since 3×91568339557941³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91568339557991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207250740 + ... + 207692093.

It is an arithmetic number, because the mean of its divisors is an integer number (8081426634984).

Almost surely, 2^{91568339557941} is an apocalyptic number.

It is an amenable number.

91568339557941 is a deficient number, since it is larger than the sum of its proper divisors (37734486601803).

91568339557941 is a wasteful number, since it uses less digits than its factorization.

91568339557941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414947180.

The product of its digits is 1102248000, while the sum is 75.

The spelling of 91568339557941 in words is "ninety-one trillion, five hundred sixty-eight billion, three hundred thirty-nine million, five hundred fifty-seven thousand, nine hundred forty-one".