542365663 has 16 divisors (see below), whose sum is σ = 641433600. Its totient is φ = 458316600.

The previous prime is 542365643. The next prime is 542365693. The reversal of 542365663 is 366563245.

It is not a de Polignac number, because 542365663 - 2⁵ = 542365631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542365633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13218 + ... + 35488.

It is an arithmetic number, because the mean of its divisors is an integer number (40089600).

Almost surely, 2^542365663 is an apocalyptic number.

542365663 is a deficient number, since it is larger than the sum of its proper divisors (99067937).

542365663 is an equidigital number, since it uses as much as digits as its factorization.

542365663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22363 (or 22349 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The square root of 542365663 is about 23288.7454148994. The cubic root of 542365663 is about 815.5127003493.

The spelling of 542365663 in words is "five hundred forty-two million, three hundred sixty-five thousand, six hundred sixty-three".