26512362066 has 48 divisors (see below), whose sum is σ = 55541810592. Its totient is φ = 8435085120.

The previous prime is 26512362061. The next prime is 26512362113. The reversal of 26512362066 is 66026321562.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26512362061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389425 + ... + 452411.

It is an arithmetic number, because the mean of its divisors is an integer number (1157121054).

Almost surely, 2^26512362066 is an apocalyptic number.

26512362066 is an abundant number, since it is smaller than the sum of its proper divisors (29029448526).

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

26512362066 is a wasteful number, since it uses less digits than its factorization.

26512362066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63127 (or 63096 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 26512362066 in words is "twenty-six billion, five hundred twelve million, three hundred sixty-two thousand, sixty-six".