168701667020 has 24 divisors (see below), whose sum is σ = 359126565504. Its totient is φ = 66556273536.

The previous prime is 168701667019. The next prime is 168701667049. The reversal of 168701667020 is 20766107861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57773084 + ... + 57776003.

It is an arithmetic number, because the mean of its divisors is an integer number (14963606896).

Almost surely, 2^168701667020 is an apocalyptic number.

168701667020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168701667020 is an abundant number, since it is smaller than the sum of its proper divisors (190424898484).

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

168701667020 is a wasteful number, since it uses less digits than its factorization.

168701667020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115549169 (or 115549167 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 168701667020 in words is "one hundred sixty-eight billion, seven hundred one million, six hundred sixty-seven thousand, twenty".