26661144116662 has 12 divisors (see below), whose sum is σ = 43957836787788. Its totient is φ = 12118701871100.

The previous prime is 26661144116599. The next prime is 26661144116669.

26661144116662 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26661144116669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55085008264 + ... + 55085008747.

It is an arithmetic number, because the mean of its divisors is an integer number (3663153065649).

Almost surely, 2^{26661144116662} is an apocalyptic number.

26661144116662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26661144116662 is a deficient number, since it is larger than the sum of its proper divisors (17296692671126).

26661144116662 is a wasteful number, since it uses less digits than its factorization.

26661144116662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110170017035 (or 110170017024 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 26661144116662 in words is "twenty-six trillion, six hundred sixty-one billion, one hundred forty-four million, one hundred sixteen thousand, six hundred sixty-two".