168970452 has 96 divisors (see below), whose sum is σ = 465174528. Its totient is φ = 46738944.

The previous prime is 168970393. The next prime is 168970469. The reversal of 168970452 is 254079861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501228 + ... + 501564.

It is an arithmetic number, because the mean of its divisors is an integer number (4845568).

Almost surely, 2^168970452 is an apocalyptic number.

168970452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168970452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232587264).

168970452 is an abundant number, since it is smaller than the sum of its proper divisors (296204076).

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

168970452 is a wasteful number, since it uses less digits than its factorization.

168970452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 168970452 is about 12998.8634887824. The cubic root of 168970452 is about 552.8452577466.

The spelling of 168970452 in words is "one hundred sixty-eight million, nine hundred seventy thousand, four hundred fifty-two".