68090516 has 24 divisors (see below), whose sum is σ = 128583840. Its totient is φ = 31362912.

The previous prime is 68090501. The next prime is 68090537. The reversal of 68090516 is 61509086.

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 7 ways as a sum of consecutive naturals, for example, 33275 + ... + 35261.

It is an arithmetic number, because the mean of its divisors is an integer number (5357660).

Almost surely, 2^68090516 is an apocalyptic number.

It is an amenable number.

68090516 is a deficient number, since it is larger than the sum of its proper divisors (60493324).

68090516 is a wasteful number, since it uses less digits than its factorization.

68090516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2661 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 68090516 is about 8251.6977647027. The cubic root of 68090516 is about 408.3465353314.

The spelling of 68090516 in words is "sixty-eight million, ninety thousand, five hundred sixteen".