68095566 has 160 divisors (see below), whose sum is σ = 195706368. Its totient is φ = 17184960.

The previous prime is 68095543. The next prime is 68095579. The reversal of 68095566 is 66559086.

68095566 is a `hidden beast` number, since 6 + 80 + 9 + 5 + 566 = 666.

It is a super-2 number, since 2×68095566² = 9274012217720712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 661071 + ... + 661173.

Almost surely, 2^68095566 is an apocalyptic number.

68095566 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68095566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97853184).

68095566 is an abundant number, since it is smaller than the sum of its proper divisors (127610802).

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

68095566 is a wasteful number, since it uses less digits than its factorization.

68095566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 68095566 is about 8252.0037566642. The cubic root of 68095566 is about 408.3566302225.

The spelling of 68095566 in words is "sixty-eight million, ninety-five thousand, five hundred sixty-six".