10566335385 has 80 divisors (see below), whose sum is σ = 19972085760. Its totient is φ = 5329670400.

The previous prime is 10566335317. The next prime is 10566335473. The reversal of 10566335385 is 58353366501.

It is a happy number.

10566335385 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 633 + 5 + 3 + 8 + 5 = 666.

It is not a de Polignac number, because 10566335385 - 2¹² = 10566331289 is a prime.

It is a super-2 number, since 2×10566335385² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10566335385.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8856349 + ... + 8857541.

It is an arithmetic number, because the mean of its divisors is an integer number (249651072).

Almost surely, 2^10566335385 is an apocalyptic number.

10566335385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10566335385 is a deficient number, since it is larger than the sum of its proper divisors (9405750375).

10566335385 is a wasteful number, since it uses less digits than its factorization.

10566335385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 10566335385 in words is "ten billion, five hundred sixty-six million, three hundred thirty-five thousand, three hundred eighty-five".