168450704740 has 48 divisors (see below), whose sum is σ = 354716296704. Its totient is φ = 67195785600.

The previous prime is 168450704641. The next prime is 168450704749. The reversal of 168450704740 is 47407054861.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (168450704749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13313097 + ... + 13325743.

It is an arithmetic number, because the mean of its divisors is an integer number (7389922848).

Almost surely, 2^168450704740 is an apocalyptic number.

168450704740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168450704740 is an abundant number, since it is smaller than the sum of its proper divisors (186265591964).

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

168450704740 is a wasteful number, since it uses less digits than its factorization.

168450704740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428 (or 14426 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 168450704740 in words is "one hundred sixty-eight billion, four hundred fifty million, seven hundred four thousand, seven hundred forty".