190017664874 has 16 divisors (see below), whose sum is σ = 285540421320. Its totient is φ = 94837662720.

The previous prime is 190017664873. The next prime is 190017664877. The reversal of 190017664874 is 478466710091.

190017664874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 174383913649 + 15633751225 = 417593^2 + 125035^2 .

It is a super-2 number, since 2×190017664874² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190017664873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820122 + ... + 2886714.

Almost surely, 2^190017664874 is an apocalyptic number.

190017664874 is a deficient number, since it is larger than the sum of its proper divisors (95522756446).

190017664874 is a wasteful number, since it uses less digits than its factorization.

190017664874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69145.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 190017664874 in words is "one hundred ninety billion, seventeen million, six hundred sixty-four thousand, eight hundred seventy-four".