455621562066 has 128 divisors (see below), whose sum is σ = 1083980620800. Its totient is φ = 126175104000.

The previous prime is 455621562049. The next prime is 455621562119. The reversal of 455621562066 is 660265126554.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4526061 + ... + 4625631.

It is an arithmetic number, because the mean of its divisors is an integer number (8468598600).

Almost surely, 2^455621562066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455621562066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541990310400).

455621562066 is an abundant number, since it is smaller than the sum of its proper divisors (628359058734).

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

455621562066 is a wasteful number, since it uses less digits than its factorization.

455621562066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99736.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 455621562066 in words is "four hundred fifty-five billion, six hundred twenty-one million, five hundred sixty-two thousand, sixty-six".