163734402 has 32 divisors (see below), whose sum is σ = 361267200. Its totient is φ = 49150080.

The previous prime is 163734391. The next prime is 163734409. The reversal of 163734402 is 204437361.

It is a self number, because there is not a number n which added to its sum of digits gives 163734402.

It is not an unprimeable number, because it can be changed into a prime (163734409) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 22402 + ... + 28797.

It is an arithmetic number, because the mean of its divisors is an integer number (11289600).

Almost surely, 2^163734402 is an apocalyptic number.

163734402 is an abundant number, since it is smaller than the sum of its proper divisors (197532798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163734402 is a wasteful number, since it uses less digits than its factorization.

163734402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51258.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 163734402 is about 12795.8744132630. The cubic root of 163734402 is about 547.0747190514.

The spelling of 163734402 in words is "one hundred sixty-three million, seven hundred thirty-four thousand, four hundred two".