2321566066 has 8 divisors (see below), whose sum is σ = 3482733744. Its totient is φ = 1160654820.

The previous prime is 2321566057. The next prime is 2321566069. The reversal of 2321566066 is 6606651232.

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

It is not an unprimeable number, because it can be changed into a prime (2321566069) 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, 39600 + ... + 78811.

It is an arithmetic number, because the mean of its divisors is an integer number (435341718).

Almost surely, 2^2321566066 is an apocalyptic number.

2321566066 is a deficient number, since it is larger than the sum of its proper divisors (1161167678).

2321566066 is a wasteful number, since it uses less digits than its factorization.

2321566066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128216.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2321566066 is about 48182.6324104443. The cubic root of 2321566066 is about 1324.1189949274.

The spelling of 2321566066 in words is "two billion, three hundred twenty-one million, five hundred sixty-six thousand, sixty-six".