455691667 has 4 divisors (see below), whose sum is σ = 468007696. Its totient is φ = 443375640.

The previous prime is 455691653. The next prime is 455691701. The reversal of 455691667 is 766196554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766196554 = 2 ⋅383098277.

It is a cyclic number.

It is not a de Polignac number, because 455691667 - 2⁷ = 455691539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455691667.

It is not an unprimeable number, because it can be changed into a prime (455601667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6157959 + ... + 6158032.

It is an arithmetic number, because the mean of its divisors is an integer number (117001924).

Almost surely, 2^455691667 is an apocalyptic number.

455691667 is a deficient number, since it is larger than the sum of its proper divisors (12316029).

455691667 is a wasteful number, since it uses less digits than its factorization.

455691667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12316028.

The product of its digits is 1360800, while the sum is 49.

The square root of 455691667 is about 21346.9357754222. The cubic root of 455691667 is about 769.5267046981.

The spelling of 455691667 in words is "four hundred fifty-five million, six hundred ninety-one thousand, six hundred sixty-seven".