68866695467169 has 16 divisors (see below), whose sum is σ = 93778272749568. Its totient is φ = 44933173144272.

The previous prime is 68866695467149. The next prime is 68866695467177. The reversal of 68866695467169 is 96176459666886.

It is not a de Polignac number, because 68866695467169 - 2¹¹ = 68866695465121 is a prime.

It is a super-2 number, since 2×68866695467169² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68866695467149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439687 + ... + 11744220.

It is an arithmetic number, because the mean of its divisors is an integer number (5861142046848).

Almost surely, 2^{68866695467169} is an apocalyptic number.

It is an amenable number.

68866695467169 is a deficient number, since it is larger than the sum of its proper divisors (24911577282399).

68866695467169 is a wasteful number, since it uses less digits than its factorization.

68866695467169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224044.

The product of its digits is 33861058560, while the sum is 87.

The spelling of 68866695467169 in words is "sixty-eight trillion, eight hundred sixty-six billion, six hundred ninety-five million, four hundred sixty-seven thousand, one hundred sixty-nine".