190194485955 has 32 divisors (see below), whose sum is σ = 307222122240. Its totient is φ = 100469715840.

The previous prime is 190194485953. The next prime is 190194486011. The reversal of 190194485955 is 559584491091.

It is not a de Polignac number, because 190194485955 - 2¹ = 190194485953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190194485953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 935161 + ... + 1120229.

It is an arithmetic number, because the mean of its divisors is an integer number (9600691320).

Almost surely, 2^190194485955 is an apocalyptic number.

190194485955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190194485955 is a deficient number, since it is larger than the sum of its proper divisors (117027636285).

190194485955 is a wasteful number, since it uses less digits than its factorization.

190194485955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185731.

The product of its (nonzero) digits is 11664000, while the sum is 60.

The spelling of 190194485955 in words is "one hundred ninety billion, one hundred ninety-four million, four hundred eighty-five thousand, nine hundred fifty-five".