190165931929 has 2 divisors, whose sum is σ = 190165931930. Its totient is φ = 190165931928.

The previous prime is 190165931887. The next prime is 190165931933. The reversal of 190165931929 is 929139561091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107711958025 + 82453973904 = 328195^2 + 287148^2 .

It is a cyclic number.

It is not a de Polignac number, because 190165931929 - 2²³ = 190157543321 is a prime.

It is a super-2 number, since 2×190165931929² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190165931929.

It is not a weakly prime, because it can be changed into another prime (190165935929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95082965964 + 95082965965.

It is an arithmetic number, because the mean of its divisors is an integer number (95082965965).

Almost surely, 2^190165931929 is an apocalyptic number.

It is an amenable number.

190165931929 is a deficient number, since it is larger than the sum of its proper divisors (1).

190165931929 is an equidigital number, since it uses as much as digits as its factorization.

190165931929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1180980, while the sum is 55.

The spelling of 190165931929 in words is "one hundred ninety billion, one hundred sixty-five million, nine hundred thirty-one thousand, nine hundred twenty-nine".