190857199604 has 12 divisors (see below), whose sum is σ = 343027129284. Its totient is φ = 92849448384.

The previous prime is 190857199579. The next prime is 190857199619. The reversal of 190857199604 is 406991758091.

It can be written as a sum of positive squares in 2 ways, for example, as 124081471504 + 66775728100 = 352252^2 + 258410^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644787689 + ... + 644787984.

It is an arithmetic number, because the mean of its divisors is an integer number (28585594107).

Almost surely, 2^190857199604 is an apocalyptic number.

It is an amenable number.

190857199604 is a deficient number, since it is larger than the sum of its proper divisors (152169929680).

190857199604 is a wasteful number, since it uses less digits than its factorization.

190857199604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289575714 (or 1289575712 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 190857199604 in words is "one hundred ninety billion, eight hundred fifty-seven million, one hundred ninety-nine thousand, six hundred four".