194076816 has 40 divisors (see below), whose sum is σ = 518657280. Its totient is φ = 62461056.

The previous prime is 194076809. The next prime is 194076847. The reversal of 194076816 is 618670491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68320 + ... + 71103.

It is an arithmetic number, because the mean of its divisors is an integer number (12966432).

Almost surely, 2^194076816 is an apocalyptic number.

194076816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194076816 is an abundant number, since it is smaller than the sum of its proper divisors (324580464).

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

194076816 is a wasteful number, since it uses less digits than its factorization.

194076816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139463 (or 139457 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 194076816 is about 13931.1455379664. The cubic root of 194076816 is about 578.9724334435.

The spelling of 194076816 in words is "one hundred ninety-four million, seventy-six thousand, eight hundred sixteen".