23166305255555 has 32 divisors (see below), whose sum is σ = 36166121284608. Its totient is φ = 13813449091200.

The previous prime is 23166305255543. The next prime is 23166305255567. The reversal of 23166305255555 is 55555250366132.

It is an interprime number because it is at equal distance from previous prime (23166305255543) and next prime (23166305255567).

It is not a de Polignac number, because 23166305255555 - 2²² = 23166301061251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23166305255497 and 23166305255506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1308082916 + ... + 1308100625.

It is an arithmetic number, because the mean of its divisors is an integer number (1130191290144).

Almost surely, 2^{23166305255555} is an apocalyptic number.

23166305255555 is a deficient number, since it is larger than the sum of its proper divisors (12999816029053).

23166305255555 is a wasteful number, since it uses less digits than its factorization.

23166305255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616183587.

The product of its (nonzero) digits is 20250000, while the sum is 53.

The spelling of 23166305255555 in words is "twenty-three trillion, one hundred sixty-six billion, three hundred five million, two hundred fifty-five thousand, five hundred fifty-five".