454169668 has 6 divisors (see below), whose sum is σ = 794796926. Its totient is φ = 227084832.

The previous prime is 454169663. The next prime is 454169687. The reversal of 454169668 is 866961454.

It can be written as a sum of positive squares in only one way, i.e., 321413184 + 132756484 = 17928^2 + 11522^2 .

It is not an unprimeable number, because it can be changed into a prime (454169663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56771205 + ... + 56771212.

Almost surely, 2^454169668 is an apocalyptic number.

It is an amenable number.

454169668 is a deficient number, since it is larger than the sum of its proper divisors (340627258).

454169668 is a wasteful number, since it uses less digits than its factorization.

454169668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113542421 (or 113542419 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 454169668 is about 21311.2568376433. The cubic root of 454169668 is about 768.6690156565.

The spelling of 454169668 in words is "four hundred fifty-four million, one hundred sixty-nine thousand, six hundred sixty-eight".