190951094971 has 24 divisors (see below), whose sum is σ = 242842582752. Its totient is φ = 146208499200.

The previous prime is 190951094963. The next prime is 190951095031. The reversal of 190951094971 is 179490159091.

It is not a de Polignac number, because 190951094971 - 2³ = 190951094963 is a prime.

It is a super-2 number, since 2×190951094971² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190951097971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1004310 + ... + 1179211.

It is an arithmetic number, because the mean of its divisors is an integer number (10118440948).

Almost surely, 2^190951094971 is an apocalyptic number.

190951094971 is a deficient number, since it is larger than the sum of its proper divisors (51891487781).

190951094971 is a wasteful number, since it uses less digits than its factorization.

190951094971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183603 (or 2183572 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 55.

The spelling of 190951094971 in words is "one hundred ninety billion, nine hundred fifty-one million, ninety-four thousand, nine hundred seventy-one".