168377381072 has 40 divisors (see below), whose sum is σ = 334557670272. Its totient is φ = 82044460800.

The previous prime is 168377381071. The next prime is 168377381089. The reversal of 168377381072 is 270183773861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168377381071) 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, 453497 + ... + 736487.

Almost surely, 2^168377381072 is an apocalyptic number.

It is an amenable number.

168377381072 is a deficient number, since it is larger than the sum of its proper divisors (166180289200).

168377381072 is a wasteful number, since it uses less digits than its factorization.

168377381072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283947 (or 283941 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 168377381072 in words is "one hundred sixty-eight billion, three hundred seventy-seven million, three hundred eighty-one thousand, seventy-two".