194963078952 has 80 divisors (see below), whose sum is σ = 557695892160. Its totient is φ = 63604966176.

The previous prime is 194963078951. The next prime is 194963078983. The reversal of 194963078952 is 259870369491.

194963078952 is a `hidden beast` number, since 19 + 496 + 3 + 0 + 7 + 89 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 194963078952.

It is not an unprimeable number, because it can be changed into a prime (194963078951) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3170278 + ... + 3231189.

It is an arithmetic number, because the mean of its divisors is an integer number (6971198652).

It is a 2-persistent number, because it is pandigital, and so is 2⋅194963078952 = 389926157904, but 3⋅194963078952 = 584889236856 is not.

Almost surely, 2^194963078952 is an apocalyptic number.

194963078952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194963078952 is an abundant number, since it is smaller than the sum of its proper divisors (362732813208).

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

194963078952 is a wasteful number, since it uses less digits than its factorization.

194963078952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401532 (or 6401519 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 194963078952 in words is "one hundred ninety-four billion, nine hundred sixty-three million, seventy-eight thousand, nine hundred fifty-two".