163086404 has 24 divisors (see below), whose sum is σ = 310238208. Its totient is φ = 74564640.

The previous prime is 163086403. The next prime is 163086431. The reversal of 163086404 is 404680361.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (163086403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9092 + ... + 20219.

It is an arithmetic number, because the mean of its divisors is an integer number (12926592).

Almost surely, 2^163086404 is an apocalyptic number.

It is an amenable number.

163086404 is a deficient number, since it is larger than the sum of its proper divisors (147151804).

163086404 is a wasteful number, since it uses less digits than its factorization.

163086404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29435 (or 29433 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 163086404 is about 12770.5287282869. The cubic root of 163086404 is about 546.3520608660.

The spelling of 163086404 in words is "one hundred sixty-three million, eighty-six thousand, four hundred four".