190689055531 has 16 divisors (see below), whose sum is σ = 206792460000. Its totient is φ = 174791305728.

The previous prime is 190689055519. The next prime is 190689055561. The reversal of 190689055531 is 135550986091.

190689055531 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 190689055531 - 2⁹ = 190689055019 is a prime.

It is a super-2 number, since 2×190689055531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190689055561) 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, 8389420 + ... + 8412118.

It is an arithmetic number, because the mean of its divisors is an integer number (12924528750).

Almost surely, 2^190689055531 is an apocalyptic number.

190689055531 is a deficient number, since it is larger than the sum of its proper divisors (16103404469).

190689055531 is a wasteful number, since it uses less digits than its factorization.

190689055531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27198.

The product of its (nonzero) digits is 1458000, while the sum is 52.

The spelling of 190689055531 in words is "one hundred ninety billion, six hundred eighty-nine million, fifty-five thousand, five hundred thirty-one".