454216688661 has 16 divisors (see below), whose sum is σ = 622585776960. Its totient is φ = 294381559680.

The previous prime is 454216688647. The next prime is 454216688707. The reversal of 454216688661 is 166886612454.

It is not a de Polignac number, because 454216688661 - 2³¹ = 452069205013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454216688641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6489606 + ... + 6559223.

It is an arithmetic number, because the mean of its divisors is an integer number (38911611060).

Almost surely, 2^454216688661 is an apocalyptic number.

454216688661 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

454216688661 is a deficient number, since it is larger than the sum of its proper divisors (168369088299).

454216688661 is a wasteful number, since it uses less digits than its factorization.

454216688661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13049156.

The product of its digits is 13271040, while the sum is 57.

The spelling of 454216688661 in words is "four hundred fifty-four billion, two hundred sixteen million, six hundred eighty-eight thousand, six hundred sixty-one".