163255364 has 6 divisors (see below), whose sum is σ = 285696894. Its totient is φ = 81627680.

The previous prime is 163255343. The next prime is 163255427. The reversal of 163255364 is 463552361.

It can be written as a sum of positive squares in only one way, i.e., 157301764 + 5953600 = 12542^2 + 2440^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20406917 + ... + 20406924.

It is an arithmetic number, because the mean of its divisors is an integer number (47616149).

Almost surely, 2^163255364 is an apocalyptic number.

It is an amenable number.

163255364 is a deficient number, since it is larger than the sum of its proper divisors (122441530).

163255364 is a wasteful number, since it uses less digits than its factorization.

163255364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40813845 (or 40813843 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 163255364 is about 12777.1422469972. The cubic root of 163255364 is about 546.5406721002.

The spelling of 163255364 in words is "one hundred sixty-three million, two hundred fifty-five thousand, three hundred sixty-four".