190981765080556 has 24 divisors (see below), whose sum is σ = 334359936534960. Its totient is φ = 95450356127232.

The previous prime is 190981765080487. The next prime is 190981765080571. The reversal of 190981765080556 is 655080567189091.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

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, 625014660 + ... + 625320148.

It is an arithmetic number, because the mean of its divisors is an integer number (13931664022290).

Almost surely, 2^{190981765080556} is an apocalyptic number.

It is an amenable number.

190981765080556 is a deficient number, since it is larger than the sum of its proper divisors (143378171454404).

190981765080556 is a wasteful number, since it uses less digits than its factorization.

190981765080556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371313 (or 371311 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 70.

The spelling of 190981765080556 in words is "one hundred ninety trillion, nine hundred eighty-one billion, seven hundred sixty-five million, eighty thousand, five hundred fifty-six".