68088516 has 24 divisors (see below), whose sum is σ = 159025440. Its totient is φ = 22674432.

The previous prime is 68088511. The next prime is 68088521. The reversal of 68088516 is 61588086.

It is an interprime number because it is at equal distance from previous prime (68088511) and next prime (68088521).

It is a super-2 number, since 2×68088516² = 9272092022164512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68088511) 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, 14895 + ... + 18921.

It is an arithmetic number, because the mean of its divisors is an integer number (6626060).

Almost surely, 2^68088516 is an apocalyptic number.

It is an amenable number.

68088516 is an abundant number, since it is smaller than the sum of its proper divisors (90936924).

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

68088516 is a wasteful number, since it uses less digits than its factorization.

68088516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443 (or 5441 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 68088516 is about 8251.5765766307. The cubic root of 68088516 is about 408.3425372168.

The spelling of 68088516 in words is "sixty-eight million, eighty-eight thousand, five hundred sixteen".