168741812 has 24 divisors (see below), whose sum is σ = 312241440. Its totient is φ = 79570080.

The previous prime is 168741809. The next prime is 168741821. The reversal of 168741812 is 218147861.

It is a happy number.

168741812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12362 + ... + 22142.

It is an arithmetic number, because the mean of its divisors is an integer number (13010060).

Almost surely, 2^168741812 is an apocalyptic number.

It is an amenable number.

168741812 is a deficient number, since it is larger than the sum of its proper divisors (143499628).

168741812 is a wasteful number, since it uses less digits than its factorization.

168741812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031 (or 10029 counting only the distinct ones).

The product of its digits is 21504, while the sum is 38.

The square root of 168741812 is about 12990.0658966766. The cubic root of 168741812 is about 552.5957869182.

The spelling of 168741812 in words is "one hundred sixty-eight million, seven hundred forty-one thousand, eight hundred twelve".