163456601 has 36 divisors (see below), whose sum is σ = 220152240. Its totient is φ = 120582000.

The previous prime is 163456597. The next prime is 163456603. The reversal of 163456601 is 106654361.

It is not a de Polignac number, because 163456601 - 2² = 163456597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163456603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 111926 + ... + 113376.

It is an arithmetic number, because the mean of its divisors is an integer number (6115340).

Almost surely, 2^163456601 is an apocalyptic number.

163456601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163456601 is a deficient number, since it is larger than the sum of its proper divisors (56695639).

163456601 is a wasteful number, since it uses less digits than its factorization.

163456601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 163456601 is about 12785.0147047237. The cubic root of 163456601 is about 546.7651446539.

The spelling of 163456601 in words is "one hundred sixty-three million, four hundred fifty-six thousand, six hundred one".