68162508 has 18 divisors (see below), whose sum is σ = 172299764. Its totient is φ = 22720824.

The previous prime is 68162489. The next prime is 68162539. The reversal of 68162508 is 80526186.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×68162508² = 9292254993700128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1893403 = 68162508 / (6 + 8 + 1 + 6 + 2 + 5 + 0 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 946666 + ... + 946737.

Almost surely, 2^68162508 is an apocalyptic number.

It is an amenable number.

68162508 is an abundant number, since it is smaller than the sum of its proper divisors (104137256).

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

68162508 is a wasteful number, since it uses less digits than its factorization.

68162508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893413 (or 1893408 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 68162508 is about 8256.0588660692. The cubic root of 68162508 is about 408.4903993665.

The spelling of 68162508 in words is "sixty-eight million, one hundred sixty-two thousand, five hundred eight".