455660621603 has 8 divisors (see below), whose sum is σ = 502005942576. Its totient is φ = 410135572000.

The previous prime is 455660621569. The next prime is 455660621627. The reversal of 455660621603 is 306126066554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 455660621603 - 2²⁶ = 455593512739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455660621683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205066676 + ... + 205068897.

It is an arithmetic number, because the mean of its divisors is an integer number (62750742822).

Almost surely, 2^455660621603 is an apocalyptic number.

455660621603 is a deficient number, since it is larger than the sum of its proper divisors (46345320973).

455660621603 is a wasteful number, since it uses less digits than its factorization.

455660621603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410135685.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 455660621603 in words is "four hundred fifty-five billion, six hundred sixty million, six hundred twenty-one thousand, six hundred three".