168973746078 has 16 divisors (see below), whose sum is σ = 342019149696. Its totient is φ = 55645972440.

The previous prime is 168973746077. The next prime is 168973746101. The reversal of 168973746078 is 870647379861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168973746077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169651858 + ... + 169652853.

It is an arithmetic number, because the mean of its divisors is an integer number (21376196856).

Almost surely, 2^168973746078 is an apocalyptic number.

168973746078 is an abundant number, since it is smaller than the sum of its proper divisors (173045403618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168973746078 is a wasteful number, since it uses less digits than its factorization.

168973746078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339304799.

The product of its (nonzero) digits is 85349376, while the sum is 66.

The spelling of 168973746078 in words is "one hundred sixty-eight billion, nine hundred seventy-three million, seven hundred forty-six thousand, seventy-eight".