168136748152 has 16 divisors (see below), whose sum is σ = 315262864440. Its totient is φ = 84066650976.

The previous prime is 168136748149. The next prime is 168136748183. The reversal of 168136748152 is 251847631861.

It is a self number, because there is not a number n which added to its sum of digits gives 168136748152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261403 + ... + 636085.

Almost surely, 2^168136748152 is an apocalyptic number.

It is an amenable number.

168136748152 is a deficient number, since it is larger than the sum of its proper divisors (147126116288).

168136748152 is a wasteful number, since it uses less digits than its factorization.

168136748152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430782 (or 430778 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 168136748152 in words is "one hundred sixty-eight billion, one hundred thirty-six million, seven hundred forty-eight thousand, one hundred fifty-two".