16632166315 has 4 divisors (see below), whose sum is σ = 19958599584. Its totient is φ = 13305733048.

The previous prime is 16632166307. The next prime is 16632166319. The reversal of 16632166315 is 51366123661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16632166315 - 2³ = 16632166307 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16632166319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663216627 + ... + 1663216636.

It is an arithmetic number, because the mean of its divisors is an integer number (4989649896).

Almost surely, 2^16632166315 is an apocalyptic number.

16632166315 is a deficient number, since it is larger than the sum of its proper divisors (3326433269).

16632166315 is an equidigital number, since it uses as much as digits as its factorization.

16632166315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326433268.

The product of its digits is 116640, while the sum is 40.

Adding to 16632166315 its reverse (51366123661), we get a palindrome (67998289976).

The spelling of 16632166315 in words is "sixteen billion, six hundred thirty-two million, one hundred sixty-six thousand, three hundred fifteen".