195090178380 has 48 divisors (see below), whose sum is σ = 549603769344. Its totient is φ = 51704879040.

The previous prime is 195090178363. The next prime is 195090178397. The reversal of 195090178380 is 83871090591.

195090178380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (195090178363) and next prime (195090178397).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9964156 + ... + 9983715.

It is an arithmetic number, because the mean of its divisors is an integer number (11450078528).

Almost surely, 2^195090178380 is an apocalyptic number.

195090178380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195090178380 is an abundant number, since it is smaller than the sum of its proper divisors (354513590964).

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

195090178380 is a wasteful number, since it uses less digits than its factorization.

195090178380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948046 (or 19948044 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 195090178380 in words is "one hundred ninety-five billion, ninety million, one hundred seventy-eight thousand, three hundred eighty".