1466638330 has 16 divisors (see below), whose sum is σ = 2644352424. Its totient is φ = 585676800.

The previous prime is 1466638319. The next prime is 1466638391. The reversal of 1466638330 is 338366641.

It can be written as a sum of positive squares in 4 ways, for example, as 1043225401 + 423412929 = 32299^2 + 20577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116007 + ... + 128026.

Almost surely, 2^1466638330 is an apocalyptic number.

1466638330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1466638330 is a deficient number, since it is larger than the sum of its proper divisors (1177714094).

1466638330 is a wasteful number, since it uses less digits than its factorization.

1466638330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244641.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 1466638330 is about 38296.7143499282. The cubic root of 1466638330 is about 1136.1639634102.

The spelling of 1466638330 in words is "one billion, four hundred sixty-six million, six hundred thirty-eight thousand, three hundred thirty".