8542187166 has 32 divisors (see below), whose sum is σ = 18875835648. Its totient is φ = 2563383680.

The previous prime is 8542187153. The next prime is 8542187197. The reversal of 8542187166 is 6617812458.

It is a super-2 number, since 2×8542187166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1818240 + ... + 1822931.

It is an arithmetic number, because the mean of its divisors is an integer number (589869864).

Almost surely, 2^8542187166 is an apocalyptic number.

8542187166 is an abundant number, since it is smaller than the sum of its proper divisors (10333648482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8542187166 is a wasteful number, since it uses less digits than its factorization.

8542187166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641216.

The product of its digits is 645120, while the sum is 48.

The square root of 8542187166 is about 92423.9534211776. The cubic root of 8542187166 is about 2044.1983228727.

The spelling of 8542187166 in words is "eight billion, five hundred forty-two million, one hundred eighty-seven thousand, one hundred sixty-six".