195203301672 has 16 divisors (see below), whose sum is σ = 488008254240. Its totient is φ = 65067767216.

The previous prime is 195203301661. The next prime is 195203301691. The reversal of 195203301672 is 276103302591.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 195203301672.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4066735428 + ... + 4066735475.

It is an arithmetic number, because the mean of its divisors is an integer number (30500515890).

Almost surely, 2^195203301672 is an apocalyptic number.

195203301672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195203301672 is an abundant number, since it is smaller than the sum of its proper divisors (292804952568).

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

195203301672 is a wasteful number, since it uses less digits than its factorization.

195203301672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8133470912 (or 8133470908 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 195203301672 in words is "one hundred ninety-five billion, two hundred three million, three hundred one thousand, six hundred seventy-two".