540502166 has 4 divisors (see below), whose sum is σ = 810753252. Its totient is φ = 270251082.

The previous prime is 540502153. The next prime is 540502181. The reversal of 540502166 is 661205045.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135125540 + ... + 135125543.

It is an arithmetic number, because the mean of its divisors is an integer number (202688313).

Almost surely, 2^540502166 is an apocalyptic number.

540502166 is a deficient number, since it is larger than the sum of its proper divisors (270251086).

540502166 is a wasteful number, since it uses less digits than its factorization.

540502166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270251085.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 540502166 is about 23248.7024584169. The cubic root of 540502166 is about 814.5776305204.

The spelling of 540502166 in words is "five hundred forty million, five hundred two thousand, one hundred sixty-six".