195951190 has 16 divisors (see below), whose sum is σ = 355050720. Its totient is φ = 77860800.

The previous prime is 195951187. The next prime is 195951251. The reversal of 195951190 is 91159591.

It is a super-2 number, since 2×195951190² = 76793737724832200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63375 + ... + 66394.

It is an arithmetic number, because the mean of its divisors is an integer number (22190670).

Almost surely, 2^195951190 is an apocalyptic number.

195951190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195951190 is a deficient number, since it is larger than the sum of its proper divisors (159099530).

195951190 is a wasteful number, since it uses less digits than its factorization.

195951190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129927.

The product of its (nonzero) digits is 18225, while the sum is 40.

The square root of 195951190 is about 13998.2566771723. The cubic root of 195951190 is about 580.8303505042.

The spelling of 195951190 in words is "one hundred ninety-five million, nine hundred fifty-one thousand, one hundred ninety".