163373916 has 12 divisors (see below), whose sum is σ = 381205832. Its totient is φ = 54457968.

The previous prime is 163373909. The next prime is 163373923. The reversal of 163373916 is 619373361.

163373916 is digitally balanced in base 3, 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 (163373909) and next prime (163373923).

It is a tau number, because it is divible by the number of its divisors (12).

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, 6807235 + ... + 6807258.

Almost surely, 2^163373916 is an apocalyptic number.

It is an amenable number.

163373916 is an abundant number, since it is smaller than the sum of its proper divisors (217831916).

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

163373916 is a wasteful number, since it uses less digits than its factorization.

163373916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13614500 (or 13614498 counting only the distinct ones).

The product of its digits is 61236, while the sum is 39.

The square root of 163373916 is about 12781.7806271270. The cubic root of 163373916 is about 546.6729348544.

The spelling of 163373916 in words is "one hundred sixty-three million, three hundred seventy-three thousand, nine hundred sixteen".