163626396 has 12 divisors (see below), whose sum is σ = 381794952. Its totient is φ = 54542128.

The previous prime is 163626389. The next prime is 163626413. The reversal of 163626396 is 693626361.

163626396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6817755 + ... + 6817778.

It is an arithmetic number, because the mean of its divisors is an integer number (31816246).

Almost surely, 2^163626396 is an apocalyptic number.

It is an amenable number.

163626396 is an abundant number, since it is smaller than the sum of its proper divisors (218168556).

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

163626396 is a wasteful number, since it uses less digits than its factorization.

163626396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635540 (or 13635538 counting only the distinct ones).

The product of its digits is 209952, while the sum is 42.

The square root of 163626396 is about 12791.6533724144. The cubic root of 163626396 is about 546.9544015366.

The spelling of 163626396 in words is "one hundred sixty-three million, six hundred twenty-six thousand, three hundred ninety-six".