68156880422 has 8 divisors (see below), whose sum is σ = 103467071736. Its totient is φ = 33667856512.

The previous prime is 68156880353. The next prime is 68156880431. The reversal of 68156880422 is 22408865186.

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

It is a congruent number.

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, 205291643 + ... + 205291974.

It is an arithmetic number, because the mean of its divisors is an integer number (12933383967).

Almost surely, 2^68156880422 is an apocalyptic number.

68156880422 is a deficient number, since it is larger than the sum of its proper divisors (35310191314).

68156880422 is a wasteful number, since it uses less digits than its factorization.

68156880422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410583702.

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 68156880422 in words is "sixty-eight billion, one hundred fifty-six million, eight hundred eighty thousand, four hundred twenty-two".