664102233 has 64 divisors (see below), whose sum is σ = 1061932800. Its totient is φ = 414445248.

The previous prime is 664102223. The next prime is 664102249. The reversal of 664102233 is 332201466.

It is a de Polignac number, because none of the positive numbers 2^k-664102233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 664102197 and 664102206.

It is not an unprimeable number, because it can be changed into a prime (664102223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2346510 + ... + 2346792.

It is an arithmetic number, because the mean of its divisors is an integer number (16592700).

Almost surely, 2^664102233 is an apocalyptic number.

It is an amenable number.

664102233 is a deficient number, since it is larger than the sum of its proper divisors (397830567).

664102233 is an equidigital number, since it uses as much as digits as its factorization.

664102233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 664102233 is about 25770.1810820180. The cubic root of 664102233 is about 872.4589058458.

Adding to 664102233 its reverse (332201466), we get a palindrome (996303699).

The spelling of 664102233 in words is "six hundred sixty-four million, one hundred two thousand, two hundred thirty-three".