542406544166 has 8 divisors (see below), whose sum is σ = 813636404280. Its totient is φ = 271194409408.

The previous prime is 542406544157. The next prime is 542406544181. The reversal of 542406544166 is 661445604245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 542406544166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4354571 + ... + 4477398.

It is an arithmetic number, because the mean of its divisors is an integer number (101704550535).

Almost surely, 2^542406544166 is an apocalyptic number.

542406544166 is a deficient number, since it is larger than the sum of its proper divisors (271229860114).

542406544166 is a wasteful number, since it uses less digits than its factorization.

542406544166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862678.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 542406544166 in words is "five hundred forty-two billion, four hundred six million, five hundred forty-four thousand, one hundred sixty-six".