23266660513554 has 24 divisors (see below), whose sum is σ = 51101660765532. Its totient is φ = 7649313045120.

The previous prime is 23266660513553. The next prime is 23266660513637. The reversal of 23266660513554 is 45531506666232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20682530318025 + 2584130195529 = 4547805^2 + 1607523^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23266660513554.

It is not an unprimeable number, because it can be changed into a prime (23266660513553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8853370267 + ... + 8853372894.

Almost surely, 2^{23266660513554} is an apocalyptic number.

23266660513554 is an abundant number, since it is smaller than the sum of its proper divisors (27835000251978).

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

23266660513554 is a wasteful number, since it uses less digits than its factorization.

23266660513554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17706743242 (or 17706743239 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 23266660513554 in words is "twenty-three trillion, two hundred sixty-six billion, six hundred sixty million, five hundred thirteen thousand, five hundred fifty-four".