8542165244 has 6 divisors (see below), whose sum is σ = 14948789184. Its totient is φ = 4271082620.

The previous prime is 8542165243. The next prime is 8542165249. The reversal of 8542165244 is 4425612458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542165243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067770652 + ... + 1067770659.

It is an arithmetic number, because the mean of its divisors is an integer number (2491464864).

Almost surely, 2^8542165244 is an apocalyptic number.

It is an amenable number.

8542165244 is a deficient number, since it is larger than the sum of its proper divisors (6406623940).

8542165244 is a wasteful number, since it uses less digits than its factorization.

8542165244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135541315 (or 2135541313 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

The square root of 8542165244 is about 92423.8348263044. The cubic root of 8542165244 is about 2044.1965741811.

The spelling of 8542165244 in words is "eight billion, five hundred forty-two million, one hundred sixty-five thousand, two hundred forty-four".