15166106560987 has 2 divisors, whose sum is σ = 15166106560988. Its totient is φ = 15166106560986.

The previous prime is 15166106560937. The next prime is 15166106561017. The reversal of 15166106560987 is 78906560166151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15166106560987 is a prime.

It is not a weakly prime, because it can be changed into another prime (15166106560937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7583053280493 + 7583053280494.

It is an arithmetic number, because the mean of its divisors is an integer number (7583053280494).

Almost surely, 2^{15166106560987} is an apocalyptic number.

15166106560987 is a deficient number, since it is larger than the sum of its proper divisors (1).

15166106560987 is an equidigital number, since it uses as much as digits as its factorization.

15166106560987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 15166106560987 in words is "fifteen trillion, one hundred sixty-six billion, one hundred six million, five hundred sixty thousand, nine hundred eighty-seven".