26610321066 has 32 divisors (see below), whose sum is σ = 64024834560. Its totient is φ = 7202793456.

The previous prime is 26610321041. The next prime is 26610321077. The reversal of 26610321066 is 66012301662.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672336 + ... + 16673931.

It is an arithmetic number, because the mean of its divisors is an integer number (2000776080).

Almost surely, 2^26610321066 is an apocalyptic number.

26610321066 is an abundant number, since it is smaller than the sum of its proper divisors (37414513494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26610321066 is a wasteful number, since it uses less digits than its factorization.

26610321066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33346298.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 26610321066 in words is "twenty-six billion, six hundred ten million, three hundred twenty-one thousand, sixty-six".