163976076 has 120 divisors (see below), whose sum is σ = 472422720. Its totient is φ = 49183200.

The previous prime is 163976053. The next prime is 163976083. The reversal of 163976076 is 670679361.

163976076 is a `hidden beast` number, since 1 + 6 + 39 + 7 + 607 + 6 = 666.

163976076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 495231 + ... + 495561.

It is an arithmetic number, because the mean of its divisors is an integer number (3936856).

Almost surely, 2^163976076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163976076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236211360).

163976076 is an abundant number, since it is smaller than the sum of its proper divisors (308446644).

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

163976076 is a wasteful number, since it uses less digits than its factorization.

163976076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 163976076 is about 12805.3143655281. The cubic root of 163976076 is about 547.3437497451.

The spelling of 163976076 in words is "one hundred sixty-three million, nine hundred seventy-six thousand, seventy-six".