91162837786348 has 24 divisors (see below), whose sum is σ = 159731059890752. Its totient is φ = 45525420693504.

The previous prime is 91162837786337. The next prime is 91162837786357. The reversal of 91162837786348 is 84368773826119.

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, 9189586 + ... + 16333222.

Almost surely, 2^{91162837786348} is an apocalyptic number.

It is an amenable number.

91162837786348 is a deficient number, since it is larger than the sum of its proper divisors (68568222104404).

91162837786348 is a wasteful number, since it uses less digits than its factorization.

91162837786348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147561 (or 7147559 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 73.

The spelling of 91162837786348 in words is "ninety-one trillion, one hundred sixty-two billion, eight hundred thirty-seven million, seven hundred eighty-six thousand, three hundred forty-eight".