68125422466 has 4 divisors (see below), whose sum is σ = 102188133702. Its totient is φ = 34062711232.

The previous prime is 68125422439. The next prime is 68125422487. The reversal of 68125422466 is 66422452186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53077248225 + 15048174241 = 230385^2 + 122671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17031355615 + ... + 17031355618.

Almost surely, 2^68125422466 is an apocalyptic number.

68125422466 is a deficient number, since it is larger than the sum of its proper divisors (34062711236).

68125422466 is a wasteful number, since it uses less digits than its factorization.

68125422466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34062711235.

The product of its digits is 1105920, while the sum is 46.

The spelling of 68125422466 in words is "sixty-eight billion, one hundred twenty-five million, four hundred twenty-two thousand, four hundred sixty-six".