68022732160 has 64 divisors (see below), whose sum is σ = 164293456320. Its totient is φ = 26928562176.

The previous prime is 68022732109. The next prime is 68022732191. The reversal of 68022732160 is 6123722086.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×68022732160² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485784 + ... + 609943.

It is an arithmetic number, because the mean of its divisors is an integer number (2567085255).

Almost surely, 2^68022732160 is an apocalyptic number.

It is an amenable number.

68022732160 is an abundant number, since it is smaller than the sum of its proper divisors (96270724160).

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

68022732160 is a wasteful number, since it uses less digits than its factorization.

68022732160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095843 (or 1095831 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 68022732160 in words is "sixty-eight billion, twenty-two million, seven hundred thirty-two thousand, one hundred sixty".