68409711466 has 8 divisors (see below), whose sum is σ = 105924714624. Its totient is φ = 33101473260.

The previous prime is 68409711457. The next prime is 68409711479. The reversal of 68409711466 is 66411790486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68409711466² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551691160 + ... + 551691283.

It is an arithmetic number, because the mean of its divisors is an integer number (13240589328).

Almost surely, 2^68409711466 is an apocalyptic number.

68409711466 is a deficient number, since it is larger than the sum of its proper divisors (37515003158).

68409711466 is a wasteful number, since it uses less digits than its factorization.

68409711466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103382476.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 68409711466 in words is "sixty-eight billion, four hundred nine million, seven hundred eleven thousand, four hundred sixty-six".