666023470 has 16 divisors (see below), whose sum is σ = 1370105568. Its totient is φ = 228350880.

The previous prime is 666023461. The next prime is 666023497. The reversal of 666023470 is 74320666.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4757241 + ... + 4757380.

It is an arithmetic number, because the mean of its divisors is an integer number (85631598).

Almost surely, 2^666023470 is an apocalyptic number.

666023470 is an abundant number, since it is smaller than the sum of its proper divisors (704082098).

666023470 is a wasteful number, since it uses less digits than its factorization.

666023470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514635.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 666023470 is about 25807.4305191354. The cubic root of 666023470 is about 873.2994323159.

The spelling of 666023470 in words is "six hundred sixty-six million, twenty-three thousand, four hundred seventy".