163622164 has 6 divisors (see below), whose sum is σ = 286338794. Its totient is φ = 81811080.

The previous prime is 163622159. The next prime is 163622197. The reversal of 163622164 is 461226361.

It can be written as a sum of positive squares in only one way, i.e., 163328400 + 293764 = 12780^2 + 542^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20452767 + ... + 20452774.

Almost surely, 2^163622164 is an apocalyptic number.

It is an amenable number.

163622164 is a deficient number, since it is larger than the sum of its proper divisors (122716630).

163622164 is a wasteful number, since it uses less digits than its factorization.

163622164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40905545 (or 40905543 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 163622164 is about 12791.4879509774. The cubic root of 163622164 is about 546.9496860566.

The spelling of 163622164 in words is "one hundred sixty-three million, six hundred twenty-two thousand, one hundred sixty-four".