664612233118 has 8 divisors (see below), whose sum is σ = 1010574765648. Its totient is φ = 327753977904.

The previous prime is 664612233113. The next prime is 664612233121. The reversal of 664612233118 is 811332216466.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664612233113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276069146 + ... + 2276069437.

It is an arithmetic number, because the mean of its divisors is an integer number (126321845706).

Almost surely, 2^664612233118 is an apocalyptic number.

664612233118 is a deficient number, since it is larger than the sum of its proper divisors (345962532530).

664612233118 is a wasteful number, since it uses less digits than its factorization.

664612233118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552138658.

The product of its digits is 248832, while the sum is 43.

The spelling of 664612233118 in words is "six hundred sixty-four billion, six hundred twelve million, two hundred thirty-three thousand, one hundred eighteen".