26665166760 has 64 divisors (see below), whose sum is σ = 80059492800. Its totient is φ = 7105022976.

The previous prime is 26665166753. The next prime is 26665166783. The reversal of 26665166760 is 6766156662.

It is a super-2 number, since 2×26665166760² (a number of 22 digits) contains 22 as substring.

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, 62832 + ... + 239328.

It is an arithmetic number, because the mean of its divisors is an integer number (1250929575).

Almost surely, 2^26665166760 is an apocalyptic number.

26665166760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26665166760 is an abundant number, since it is smaller than the sum of its proper divisors (53394326040).

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

26665166760 is a wasteful number, since it uses less digits than its factorization.

26665166760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177770 (or 177766 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 26665166760 in words is "twenty-six billion, six hundred sixty-five million, one hundred sixty-six thousand, seven hundred sixty".