91556382037434 has 16 divisors (see below), whose sum is σ = 183472514108640. Its totient is φ = 30458835673520.

The previous prime is 91556382037411. The next prime is 91556382037511. The reversal of 91556382037434 is 43473028365519.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14989581432 + ... + 14989587539.

It is an arithmetic number, because the mean of its divisors is an integer number (11467032131790).

It is a 1-persistent number, because it is pandigital, but 2⋅91556382037434 = 183112764074868 is not.

Almost surely, 2^{91556382037434} is an apocalyptic number.

91556382037434 is an abundant number, since it is smaller than the sum of its proper divisors (91916132071206).

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

91556382037434 is a wasteful number, since it uses less digits than its factorization.

91556382037434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29979169485.

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 91556382037434 in words is "ninety-one trillion, five hundred fifty-six billion, three hundred eighty-two million, thirty-seven thousand, four hundred thirty-four".