195191910976 has 14 divisors (see below), whose sum is σ = 387333948470. Its totient is φ = 97595955456.

The previous prime is 195191910919. The next prime is 195191911039. The reversal of 195191910976 is 679019191591.

It can be written as a sum of positive squares in only one way, i.e., 174409805376 + 20782105600 = 417624^2 + 144160^2 .

It is a super-2 number, since 2×195191910976² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195191910976.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1524936741 + ... + 1524936868.

It is an arithmetic number, because the mean of its divisors is an integer number (27666710605).

Almost surely, 2^195191910976 is an apocalyptic number.

195191910976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195191910976 is a deficient number, since it is larger than the sum of its proper divisors (192142037494).

195191910976 is an equidigital number, since it uses as much as digits as its factorization.

195191910976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049873621 (or 3049873611 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 58.

The spelling of 195191910976 in words is "one hundred ninety-five billion, one hundred ninety-one million, nine hundred ten thousand, nine hundred seventy-six".