190911795948 has 72 divisors (see below), whose sum is σ = 517437910080. Its totient is φ = 59135731200.

The previous prime is 190911795911. The next prime is 190911795979. The reversal of 190911795948 is 849597119091.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1926003 + ... + 2022698.

It is an arithmetic number, because the mean of its divisors is an integer number (7186637640).

Almost surely, 2^190911795948 is an apocalyptic number.

190911795948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190911795948 is an abundant number, since it is smaller than the sum of its proper divisors (326526114132).

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

190911795948 is a wasteful number, since it uses less digits than its factorization.

190911795948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948807 (or 3948802 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 63.

The spelling of 190911795948 in words is "one hundred ninety billion, nine hundred eleven million, seven hundred ninety-five thousand, nine hundred forty-eight".