163626948 has 18 divisors (see below), whose sum is σ = 413612654. Its totient is φ = 54542304.

The previous prime is 163626929. The next prime is 163626971. The reversal of 163626948 is 849626361.

163626948 is a `hidden beast` number, since 1 + 636 + 2 + 6 + 9 + 4 + 8 = 666.

163626948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 161340804 + 2286144 = 12702^2 + 1512^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×163626948² = 53547556223589408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2272561 + ... + 2272632.

Almost surely, 2^163626948 is an apocalyptic number.

163626948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163626948 is an abundant number, since it is smaller than the sum of its proper divisors (249985706).

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

163626948 is a wasteful number, since it uses less digits than its factorization.

163626948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545203 (or 4545198 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 163626948 is about 12791.6749489658. The cubic root of 163626948 is about 546.9550165932.

The spelling of 163626948 in words is "one hundred sixty-three million, six hundred twenty-six thousand, nine hundred forty-eight".