194425616 has 40 divisors (see below), whose sum is σ = 469654464. Its totient is φ = 75749760.

The previous prime is 194425603. The next prime is 194425631. The reversal of 194425616 is 616524491.

It is a self number, because there is not a number n which added to its sum of digits gives 194425616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77675 + ... + 80138.

Almost surely, 2^194425616 is an apocalyptic number.

194425616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194425616 is an abundant number, since it is smaller than the sum of its proper divisors (275228848).

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

194425616 is a wasteful number, since it uses less digits than its factorization.

194425616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157839 (or 157833 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 194425616 is about 13943.6586303595. The cubic root of 194425616 is about 579.3190740657.

The spelling of 194425616 in words is "one hundred ninety-four million, four hundred twenty-five thousand, six hundred sixteen".