664234611 has 8 divisors (see below), whose sum is σ = 885796560. Its totient is φ = 442747872.

The previous prime is 664234609. The next prime is 664234709. The reversal of 664234611 is 116432466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 664234611 - 2¹ = 664234609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664234601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6781 + ... + 37073.

It is an arithmetic number, because the mean of its divisors is an integer number (110724570).

Almost surely, 2^664234611 is an apocalyptic number.

664234611 is a deficient number, since it is larger than the sum of its proper divisors (221561949).

664234611 is a wasteful number, since it uses less digits than its factorization.

664234611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37605.

The product of its digits is 20736, while the sum is 33.

The square root of 664234611 is about 25772.7493876769. The cubic root of 664234611 is about 872.5168721679.

The spelling of 664234611 in words is "six hundred sixty-four million, two hundred thirty-four thousand, six hundred eleven".