163340402 has 8 divisors (see below), whose sum is σ = 250708656. Its totient is φ = 79770852.

The previous prime is 163340393. The next prime is 163340417. The reversal of 163340402 is 204043361.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949568 + ... + 949739.

It is an arithmetic number, because the mean of its divisors is an integer number (31338582).

Almost surely, 2^163340402 is an apocalyptic number.

163340402 is a deficient number, since it is larger than the sum of its proper divisors (87368254).

163340402 is a wasteful number, since it uses less digits than its factorization.

163340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899352.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 163340402 is about 12780.4695531894. The cubic root of 163340402 is about 546.6355513885.

Adding to 163340402 its reverse (204043361), we get a palindrome (367383763).

The spelling of 163340402 in words is "one hundred sixty-three million, three hundred forty thousand, four hundred two".