168303974 has 4 divisors (see below), whose sum is σ = 252455964. Its totient is φ = 84151986.

The previous prime is 168303959. The next prime is 168303977. The reversal of 168303974 is 479303861.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168303977) 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 as a sum of consecutive naturals, namely, 42075992 + ... + 42075995.

It is an arithmetic number, because the mean of its divisors is an integer number (63113991).

Almost surely, 2^168303974 is an apocalyptic number.

168303974 is a deficient number, since it is larger than the sum of its proper divisors (84151990).

168303974 is an equidigital number, since it uses as much as digits as its factorization.

168303974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84151989.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 168303974 is about 12973.2021490455. The cubic root of 168303974 is about 552.1174288959.

The spelling of 168303974 in words is "one hundred sixty-eight million, three hundred three thousand, nine hundred seventy-four".