163743402 has 8 divisors (see below), whose sum is σ = 327486816. Its totient is φ = 54581132.

The previous prime is 163743301. The next prime is 163743403. The reversal of 163743402 is 204347361.

It is a sphenic number, since it is the product of 3 distinct primes.

163743402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 163743402.

It is not an unprimeable number, because it can be changed into a prime (163743403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13645278 + ... + 13645289.

It is an arithmetic number, because the mean of its divisors is an integer number (40935852).

Almost surely, 2^163743402 is an apocalyptic number.

163743402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163743402 is a wasteful number, since it uses less digits than its factorization.

163743402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27290572.

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

The square root of 163743402 is about 12796.2260842797. The cubic root of 163743402 is about 547.0847425655.

The spelling of 163743402 in words is "one hundred sixty-three million, seven hundred forty-three thousand, four hundred two".