453078661 has 8 divisors (see below), whose sum is σ = 524897984. Its totient is φ = 383032800.

The previous prime is 453078649. The next prime is 453078707. The reversal of 453078661 is 166870354.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 453078661 - 2⁷ = 453078533 is a prime.

It is a super-3 number, since 3×453078661³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453078631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442815 + ... + 443836.

It is an arithmetic number, because the mean of its divisors is an integer number (65612248).

Almost surely, 2^453078661 is an apocalyptic number.

It is an amenable number.

453078661 is a deficient number, since it is larger than the sum of its proper divisors (71819323).

453078661 is an equidigital number, since it uses as much as digits as its factorization.

453078661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886731.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 453078661 is about 21285.6444816689. The cubic root of 453078661 is about 768.0530228918.

The spelling of 453078661 in words is "four hundred fifty-three million, seventy-eight thousand, six hundred sixty-one".