168737450448 has 40 divisors (see below), whose sum is σ = 498177235648. Its totient is φ = 48210700032.

The previous prime is 168737450437. The next prime is 168737450507. The reversal of 168737450448 is 844054737861.

It is a congruent number.

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, 251097061 + ... + 251097732.

Almost surely, 2^168737450448 is an apocalyptic number.

It is an amenable number.

168737450448 is an abundant number, since it is smaller than the sum of its proper divisors (329439785200).

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

168737450448 is a wasteful number, since it uses less digits than its factorization.

168737450448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502194811 (or 502194805 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 168737450448 in words is "one hundred sixty-eight billion, seven hundred thirty-seven million, four hundred fifty thousand, four hundred forty-eight".