15166106561243 has 8 divisors (see below), whose sum is σ = 17115355367280. Its totient is φ = 13311943062880.

The previous prime is 15166106561213. The next prime is 15166106561267. The reversal of 15166106561243 is 34216560166151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15166106561243 - 2⁸ = 15166106560987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15166106561213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23771326580 + ... + 23771327217.

It is an arithmetic number, because the mean of its divisors is an integer number (2139419420910).

Almost surely, 2^{15166106561243} is an apocalyptic number.

15166106561243 is a deficient number, since it is larger than the sum of its proper divisors (1949248806037).

15166106561243 is a wasteful number, since it uses less digits than its factorization.

15166106561243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47542653837.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 15166106561243 in words is "fifteen trillion, one hundred sixty-six billion, one hundred six million, five hundred sixty-one thousand, two hundred forty-three".