68109150 has 24 divisors (see below), whose sum is σ = 168911064. Its totient is φ = 18162400.

The previous prime is 68109131. The next prime is 68109163. The reversal of 68109150 is 5190186.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 226881 + ... + 227180.

It is an arithmetic number, because the mean of its divisors is an integer number (7037961).

Almost surely, 2^68109150 is an apocalyptic number.

68109150 is an abundant number, since it is smaller than the sum of its proper divisors (100801914).

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

68109150 is a wasteful number, since it uses less digits than its factorization.

68109150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454076 (or 454071 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 68109150 is about 8252.8267884404. The cubic root of 68109150 is about 408.3837820033.

The spelling of 68109150 in words is "sixty-eight million, one hundred nine thousand, one hundred fifty".