163425916 has 12 divisors (see below), whose sum is σ = 301047880. Its totient is φ = 77412240.

The previous prime is 163425907. The next prime is 163425943. The reversal of 163425916 is 619524361.

It is a congruent number.

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, 1075095 + ... + 1075246.

Almost surely, 2^163425916 is an apocalyptic number.

It is an amenable number.

163425916 is a deficient number, since it is larger than the sum of its proper divisors (137621964).

163425916 is a wasteful number, since it uses less digits than its factorization.

163425916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150364 (or 2150362 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 163425916 is about 12783.8146106708. The cubic root of 163425916 is about 546.7309285616.

The spelling of 163425916 in words is "one hundred sixty-three million, four hundred twenty-five thousand, nine hundred sixteen".