542604641166 has 24 divisors (see below), whose sum is σ = 1343592445104. Its totient is φ = 155029897440.

The previous prime is 542604641093. The next prime is 542604641221. The reversal of 542604641166 is 661146406245.

542604641166 is a `hidden beast` number, since 5 + 4 + 26 + 0 + 464 + 1 + 166 = 666.

It is a super-2 number, since 2×542604641166² (a number of 24 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 11 ways as a sum of consecutive naturals, for example, 2153192895 + ... + 2153193146.

It is an arithmetic number, because the mean of its divisors is an integer number (55983018546).

Almost surely, 2^542604641166 is an apocalyptic number.

542604641166 is an abundant number, since it is smaller than the sum of its proper divisors (800987803938).

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

542604641166 is a wasteful number, since it uses less digits than its factorization.

542604641166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306386056 (or 4306386053 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 542604641166 in words is "five hundred forty-two billion, six hundred four million, six hundred forty-one thousand, one hundred sixty-six".