455500661 has 16 divisors (see below), whose sum is σ = 597788160. Its totient is φ = 336253680.

The previous prime is 455500657. The next prime is 455500663. The reversal of 455500661 is 166005554.

It is not a de Polignac number, because 455500661 - 2² = 455500657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455500663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154211 + ... + 157136.

It is an arithmetic number, because the mean of its divisors is an integer number (37361760).

Almost surely, 2^455500661 is an apocalyptic number.

It is an amenable number.

455500661 is a deficient number, since it is larger than the sum of its proper divisors (142287499).

455500661 is a wasteful number, since it uses less digits than its factorization.

455500661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311384.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 455500661 is about 21342.4614559802. The cubic root of 455500661 is about 769.4191723689.

The spelling of 455500661 in words is "four hundred fifty-five million, five hundred thousand, six hundred sixty-one".