8662455260921 has 32 divisors (see below), whose sum is σ = 11132812357632. Its totient is φ = 6544606988160.

The previous prime is 8662455260897. The next prime is 8662455260941. The reversal of 8662455260921 is 1290625542668.

It is a cyclic number.

It is not a de Polignac number, because 8662455260921 - 2¹⁴ = 8662455244537 is a prime.

It is a super-2 number, since 2×8662455260921² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8662455260941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10797836 + ... + 11572301.

It is an arithmetic number, because the mean of its divisors is an integer number (347900386176).

Almost surely, 2^{8662455260921} is an apocalyptic number.

It is an amenable number.

8662455260921 is a deficient number, since it is larger than the sum of its proper divisors (2470357096711).

8662455260921 is a wasteful number, since it uses less digits than its factorization.

8662455260921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22370309.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 8662455260921 in words is "eight trillion, six hundred sixty-two billion, four hundred fifty-five million, two hundred sixty thousand, nine hundred twenty-one".