542451316165 has 16 divisors (see below), whose sum is σ = 710462451456. Its totient is φ = 394318734400.

The previous prime is 542451316157. The next prime is 542451316207. The reversal of 542451316165 is 561613154245.

It is not a de Polignac number, because 542451316165 - 2³ = 542451316157 is a prime.

It is a Duffinian number.

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, 2276926 + ... + 2503855.

It is an arithmetic number, because the mean of its divisors is an integer number (44403903216).

Almost surely, 2^542451316165 is an apocalyptic number.

542451316165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542451316165 is a deficient number, since it is larger than the sum of its proper divisors (168011135291).

542451316165 is a wasteful number, since it uses less digits than its factorization.

542451316165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782860.

The product of its digits is 432000, while the sum is 43.

The spelling of 542451316165 in words is "five hundred forty-two billion, four hundred fifty-one million, three hundred sixteen thousand, one hundred sixty-five".