15166042946 has 8 divisors (see below), whose sum is σ = 22749907404. Its totient is φ = 7582740480.

The previous prime is 15166042943. The next prime is 15166042987. The reversal of 15166042946 is 64924066151.

It can be written as a sum of positive squares in 2 ways, for example, as 13242255625 + 1923787321 = 115075^2 + 43861^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 15166042897 and 15166042906.

It is not an unprimeable number, because it can be changed into a prime (15166042943) 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, 64895 + ... + 185858.

Almost surely, 2^15166042946 is an apocalyptic number.

15166042946 is a deficient number, since it is larger than the sum of its proper divisors (7583864458).

15166042946 is a wasteful number, since it uses less digits than its factorization.

15166042946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280996.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 15166042946 in words is "fifteen billion, one hundred sixty-six million, forty-two thousand, nine hundred forty-six".