464920666 has 32 divisors (see below), whose sum is σ = 833050368. Its totient is φ = 190270080.

The previous prime is 464920661. The next prime is 464920681. The reversal of 464920666 is 666029464.

It is not an unprimeable number, because it can be changed into a prime (464920661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351286 + ... + 352606.

It is an arithmetic number, because the mean of its divisors is an integer number (26032824).

Almost surely, 2^464920666 is an apocalyptic number.

464920666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

464920666 is a deficient number, since it is larger than the sum of its proper divisors (368129702).

464920666 is a wasteful number, since it uses less digits than its factorization.

464920666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 464920666 is about 21562.0190613031. The cubic root of 464920666 is about 774.6870278422.

The spelling of 464920666 in words is "four hundred sixty-four million, nine hundred twenty thousand, six hundred sixty-six".