168746454 has 48 divisors (see below), whose sum is σ = 399634560. Its totient is φ = 51229440.

The previous prime is 168746453. The next prime is 168746503. The reversal of 168746454 is 454647861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168746453) 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, 592 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (8325720).

Almost surely, 2^168746454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168746454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199817280).

168746454 is an abundant number, since it is smaller than the sum of its proper divisors (230888106).

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

168746454 is a wasteful number, since it uses less digits than its factorization.

168746454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17845 (or 17842 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 168746454 is about 12990.2445704459. The cubic root of 168746454 is about 552.6008540799.

The spelling of 168746454 in words is "one hundred sixty-eight million, seven hundred forty-six thousand, four hundred fifty-four".