666552466 has 8 divisors (see below), whose sum is σ = 1043299584. Its totient is φ = 318785940.

The previous prime is 666552461. The next prime is 666552479. The reversal of 666552466 is 664255666.

666552466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 14490271 = 666552466 / (6 + 6 + 6 + 5 + 5 + 2 + 4 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (666552461) 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, 7245090 + ... + 7245181.

It is an arithmetic number, because the mean of its divisors is an integer number (130412448).

Almost surely, 2^666552466 is an apocalyptic number.

666552466 is a deficient number, since it is larger than the sum of its proper divisors (376747118).

666552466 is a wasteful number, since it uses less digits than its factorization.

666552466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14490296.

The product of its digits is 1555200, while the sum is 46.

The square root of 666552466 is about 25817.6773935999. The cubic root of 666552466 is about 873.5305801520.

The spelling of 666552466 in words is "six hundred sixty-six million, five hundred fifty-two thousand, four hundred sixty-six".