190207190894 has 12 divisors (see below), whose sum is σ = 331892139384. Its totient is φ = 81517367484.

The previous prime is 190207190827. The next prime is 190207190903. The reversal of 190207190894 is 498091702091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 970444754 + ... + 970444949.

It is an arithmetic number, because the mean of its divisors is an integer number (27657678282).

Almost surely, 2^190207190894 is an apocalyptic number.

190207190894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190207190894 is a deficient number, since it is larger than the sum of its proper divisors (141684948490).

190207190894 is a wasteful number, since it uses less digits than its factorization.

190207190894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940889719 (or 1940889712 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 50.

The spelling of 190207190894 in words is "one hundred ninety billion, two hundred seven million, one hundred ninety thousand, eight hundred ninety-four".