168147934 has 4 divisors (see below), whose sum is σ = 252221904. Its totient is φ = 84073966.

The previous prime is 168147923. The next prime is 168147949. The reversal of 168147934 is 439741861.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42036982 + ... + 42036985.

It is an arithmetic number, because the mean of its divisors is an integer number (63055476).

Almost surely, 2^168147934 is an apocalyptic number.

168147934 is a deficient number, since it is larger than the sum of its proper divisors (84073970).

168147934 is an equidigital number, since it uses as much as digits as its factorization.

168147934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84073969.

The product of its digits is 145152, while the sum is 43.

The square root of 168147934 is about 12967.1868190444. The cubic root of 168147934 is about 551.9467475583.

The spelling of 168147934 in words is "one hundred sixty-eight million, one hundred forty-seven thousand, nine hundred thirty-four".