195057630 has 48 divisors (see below), whose sum is σ = 508079520. Its totient is φ = 51920064.

The previous prime is 195057617. The next prime is 195057637. The reversal of 195057630 is 36750591.

It is a happy number.

195057630 is a `hidden beast` number, since 1 + 9 + 50 + 576 + 30 = 666.

195057630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195057637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57111 + ... + 60429.

It is an arithmetic number, because the mean of its divisors is an integer number (10584990).

Almost surely, 2^195057630 is an apocalyptic number.

195057630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195057630 is an abundant number, since it is smaller than the sum of its proper divisors (313021890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195057630 is a wasteful number, since it uses less digits than its factorization.

195057630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985 (or 3982 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 195057630 is about 13966.3033763412. The cubic root of 195057630 is about 579.9461206391.

The spelling of 195057630 in words is "one hundred ninety-five million, fifty-seven thousand, six hundred thirty".