68163944 has 32 divisors (see below), whose sum is σ = 137676000. Its totient is φ = 31534272.

The previous prime is 68163941. The next prime is 68163961. The reversal of 68163944 is 44936186.

It is not an unprimeable number, because it can be changed into a prime (68163941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322 + ... + 11750.

It is an arithmetic number, because the mean of its divisors is an integer number (4302375).

Almost surely, 2^68163944 is an apocalyptic number.

It is an amenable number.

68163944 is an abundant number, since it is smaller than the sum of its proper divisors (69512056).

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

68163944 is a wasteful number, since it uses less digits than its factorization.

68163944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10497 (or 10493 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 68163944 is about 8256.1458320454. The cubic root of 68163944 is about 408.4932679429.

The spelling of 68163944 in words is "sixty-eight million, one hundred sixty-three thousand, nine hundred forty-four".