195815038150 has 12 divisors (see below), whose sum is σ = 364215971052. Its totient is φ = 78326015240.

The previous prime is 195815038127. The next prime is 195815038189. The reversal of 195815038150 is 51830518591.

It is a self number, because there is not a number n which added to its sum of digits gives 195815038150.

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, 1958150332 + ... + 1958150431.

It is an arithmetic number, because the mean of its divisors is an integer number (30351330921).

Almost surely, 2^195815038150 is an apocalyptic number.

195815038150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195815038150 is a deficient number, since it is larger than the sum of its proper divisors (168400932902).

195815038150 is a wasteful number, since it uses less digits than its factorization.

195815038150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916300775 (or 3916300770 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 46.

The spelling of 195815038150 in words is "one hundred ninety-five billion, eight hundred fifteen million, thirty-eight thousand, one hundred fifty".