168422601256697 has 48 divisors (see below), whose sum is σ = 181309420742400. Its totient is φ = 156014921687040.

The previous prime is 168422601256691. The next prime is 168422601256751. The reversal of 168422601256697 is 796652106224861.

It is not a de Polignac number, because 168422601256697 - 2³⁶ = 168353881779961 is a prime.

It is a super-2 number, since 2×168422601256697² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168422601256691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12221355947 + ... + 12221369727.

It is an arithmetic number, because the mean of its divisors is an integer number (3777279598800).

Almost surely, 2^{168422601256697} is an apocalyptic number.

It is an amenable number.

168422601256697 is a deficient number, since it is larger than the sum of its proper divisors (12886819485703).

168422601256697 is a wasteful number, since it uses less digits than its factorization.

168422601256697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894 (or 14835 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 168422601256697 in words is "one hundred sixty-eight trillion, four hundred twenty-two billion, six hundred one million, two hundred fifty-six thousand, six hundred ninety-seven".