91349541360 has 240 divisors, whose sum is σ = 382481948160. Its totient is φ = 18981711360.

The previous prime is 91349541341. The next prime is 91349541379. The reversal of 91349541360 is 6314594319.

91349541360 is a `hidden beast` number, since 9 + 1 + 3 + 49 + 541 + 3 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (91349541341) and next prime (91349541379).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 768420 + ... + 879299.

It is an arithmetic number, because the mean of its divisors is an integer number (1593674784).

Almost surely, 2^91349541360 is an apocalyptic number.

91349541360 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91349541360 is an abundant number, since it is smaller than the sum of its proper divisors (291132406800).

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

91349541360 is a wasteful number, since it uses less digits than its factorization.

91349541360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647756 (or 1647747 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 91349541360 in words is "ninety-one billion, three hundred forty-nine million, five hundred forty-one thousand, three hundred sixty".