26664032066 has 32 divisors (see below), whose sum is σ = 47793024000. Its totient is φ = 10908626256.

The previous prime is 26664032051. The next prime is 26664032081. The reversal of 26664032066 is 66023046662.

It is an interprime number because it is at equal distance from previous prime (26664032051) and next prime (26664032081).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77705 + ... + 243651.

It is an arithmetic number, because the mean of its divisors is an integer number (1493532000).

Almost surely, 2^26664032066 is an apocalyptic number.

26664032066 is a deficient number, since it is larger than the sum of its proper divisors (21128991934).

26664032066 is a wasteful number, since it uses less digits than its factorization.

26664032066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166478.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 26664032066 in words is "twenty-six billion, six hundred sixty-four million, thirty-two thousand, sixty-six".