454616401664 has 18 divisors (see below), whose sum is σ = 907456958520. Its totient is φ = 227308200704.

The previous prime is 454616401663. The next prime is 454616401739. The reversal of 454616401664 is 466104616454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454616401663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 887922404 + ... + 887922915.

Almost surely, 2^454616401664 is an apocalyptic number.

It is an amenable number.

454616401664 is a deficient number, since it is larger than the sum of its proper divisors (452840556856).

454616401664 is an equidigital number, since it uses as much as digits as its factorization.

454616401664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775845335 (or 1775845321 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 454616401664 in words is "four hundred fifty-four billion, six hundred sixteen million, four hundred one thousand, six hundred sixty-four".