10665621153 has 12 divisors (see below), whose sum is σ = 16806433488. Its totient is φ = 6464012760.

The previous prime is 10665621151. The next prime is 10665621167. The reversal of 10665621153 is 35112656601.

10665621153 is a `hidden beast` number, since 10 + 6 + 6 + 5 + 621 + 15 + 3 = 666.

It is not a de Polignac number, because 10665621153 - 2¹ = 10665621151 is a prime.

It is a super-2 number, since 2×10665621153² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10665621151) 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, 53866675 + ... + 53866872.

It is an arithmetic number, because the mean of its divisors is an integer number (1400536124).

Almost surely, 2^10665621153 is an apocalyptic number.

It is an amenable number.

10665621153 is a deficient number, since it is larger than the sum of its proper divisors (6140812335).

10665621153 is a wasteful number, since it uses less digits than its factorization.

10665621153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107733564 (or 107733561 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 10665621153 in words is "ten billion, six hundred sixty-five million, six hundred twenty-one thousand, one hundred fifty-three".