10166065515 has 16 divisors (see below), whose sum is σ = 18073005600. Its totient is φ = 5421901536.

The previous prime is 10166065493. The next prime is 10166065531. The reversal of 10166065515 is 51556066101.

10166065515 is a `hidden beast` number, since 10 + 16 + 60 + 65 + 515 = 666.

It is not a de Polignac number, because 10166065515 - 2⁶ = 10166065451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10166065515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37651960 + ... + 37652229.

It is an arithmetic number, because the mean of its divisors is an integer number (1129562850).

Almost surely, 2^10166065515 is an apocalyptic number.

10166065515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10166065515 is a deficient number, since it is larger than the sum of its proper divisors (7906940085).

10166065515 is an equidigital number, since it uses as much as digits as its factorization.

10166065515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75304203 (or 75304197 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

It can be divided in two parts, 1016606 and 5515, that added together give a square (1022121 = 1011²).

The spelling of 10166065515 in words is "ten billion, one hundred sixty-six million, sixty-five thousand, five hundred fifteen".