1466327993 has 48 divisors (see below), whose sum is σ = 1756237824. Its totient is φ = 1219458240.

The previous prime is 1466327987. The next prime is 1466328001. The reversal of 1466327993 is 3997236641.

It is not a de Polignac number, because 1466327993 - 2¹⁸ = 1466065849 is a prime.

It is a super-3 number, since 3×1466327993³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1466327953) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5181230 + ... + 5181512.

It is an arithmetic number, because the mean of its divisors is an integer number (36588288).

Almost surely, 2^1466327993 is an apocalyptic number.

1466327993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1466327993 is a deficient number, since it is larger than the sum of its proper divisors (289909831).

1466327993 is a wasteful number, since it uses less digits than its factorization.

1466327993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 393 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 50.

The square root of 1466327993 is about 38292.6623911161. The cubic root of 1466327993 is about 1136.0838212736.

The spelling of 1466327993 in words is "one billion, four hundred sixty-six million, three hundred twenty-seven thousand, nine hundred ninety-three".