91320362355406 has 32 divisors (see below), whose sum is σ = 137877699756960. Its totient is φ = 45362018496000.

The previous prime is 91320362355401. The next prime is 91320362355421. The reversal of 91320362355406 is 60455326302319.

It is a self number, because there is not a number n which added to its sum of digits gives 91320362355406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91320362355401) 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, 1506881506 + ... + 1506942106.

It is an arithmetic number, because the mean of its divisors is an integer number (4308678117405).

Almost surely, 2^{91320362355406} is an apocalyptic number.

91320362355406 is a deficient number, since it is larger than the sum of its proper divisors (46557337401554).

91320362355406 is a wasteful number, since it uses less digits than its factorization.

91320362355406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67860.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 91320362355406 in words is "ninety-one trillion, three hundred twenty billion, three hundred sixty-two million, three hundred fifty-five thousand, four hundred six".