163404902 has 16 divisors (see below), whose sum is σ = 264010560. Its totient is φ = 75601512.

The previous prime is 163404889. The next prime is 163404911. The reversal of 163404902 is 209404361.

163404902 is a modest number, since divided by 4902 gives 1634 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48368 + ... + 51635.

It is an arithmetic number, because the mean of its divisors is an integer number (16500660).

Almost surely, 2^163404902 is an apocalyptic number.

163404902 is a deficient number, since it is larger than the sum of its proper divisors (100605658).

163404902 is a wasteful number, since it uses less digits than its factorization.

163404902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100067.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 163404902 is about 12782.9926855960. The cubic root of 163404902 is about 546.7074938937.

The spelling of 163404902 in words is "one hundred sixty-three million, four hundred four thousand, nine hundred two".