91361268857098 has 8 divisors (see below), whose sum is σ = 137048928612192. Its totient is φ = 45678292653036.

The previous prime is 91361268856973. The next prime is 91361268857099. The reversal of 91361268857098 is 89075886216319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 91361268857098.

It is not an unprimeable number, because it can be changed into a prime (91361268857099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1170838990 + ... + 1170917017.

It is an arithmetic number, because the mean of its divisors is an integer number (17131116076524).

Almost surely, 2^{91361268857098} is an apocalyptic number.

91361268857098 is a deficient number, since it is larger than the sum of its proper divisors (45687659755094).

91361268857098 is a wasteful number, since it uses less digits than its factorization.

91361268857098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341775516.

The product of its (nonzero) digits is 313528320, while the sum is 73.

The spelling of 91361268857098 in words is "ninety-one trillion, three hundred sixty-one billion, two hundred sixty-eight million, eight hundred fifty-seven thousand, ninety-eight".