190932944451 has 16 divisors (see below), whose sum is σ = 258808424064. Its totient is φ = 125183098944.

The previous prime is 190932944437. The next prime is 190932944453. The reversal of 190932944451 is 154449239091.

It is a happy number.

190932944451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190932944451 - 2¹⁸ = 190932682307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190932944394 and 190932944403.

It is not an unprimeable number, because it can be changed into a prime (190932944453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180261 + ... + 1332246.

It is an arithmetic number, because the mean of its divisors is an integer number (16175526504).

Almost surely, 2^190932944451 is an apocalyptic number.

190932944451 is a deficient number, since it is larger than the sum of its proper divisors (67875479613).

190932944451 is a wasteful number, since it uses less digits than its factorization.

190932944451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512930.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 190932944451 in words is "one hundred ninety billion, nine hundred thirty-two million, nine hundred forty-four thousand, four hundred fifty-one".