168687468147 has 24 divisors (see below), whose sum is σ = 247796236800. Its totient is φ = 101997530800.

The previous prime is 168687468139. The next prime is 168687468167. The reversal of 168687468147 is 741864786861.

It is not a de Polignac number, because 168687468147 - 2³ = 168687468139 is a prime.

It is a super-2 number, since 2×168687468147² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168687468107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382647 + ... + 695552.

It is an arithmetic number, because the mean of its divisors is an integer number (10324843200).

Almost surely, 2^168687468147 is an apocalyptic number.

168687468147 is a deficient number, since it is larger than the sum of its proper divisors (79108768653).

168687468147 is a wasteful number, since it uses less digits than its factorization.

168687468147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078655 (or 1078644 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 66.

The spelling of 168687468147 in words is "one hundred sixty-eight billion, six hundred eighty-seven million, four hundred sixty-eight thousand, one hundred forty-seven".