542166102605 has 8 divisors (see below), whose sum is σ = 650971743072. Its totient is φ = 433484602128.

The previous prime is 542166102601. The next prime is 542166102659. The reversal of 542166102605 is 506201661245.

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

It is a cyclic number.

It is not a de Polignac number, because 542166102605 - 2² = 542166102601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542166102601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31025387 + ... + 31042856.

It is an arithmetic number, because the mean of its divisors is an integer number (81371467884).

Almost surely, 2^542166102605 is an apocalyptic number.

It is an amenable number.

542166102605 is a deficient number, since it is larger than the sum of its proper divisors (108805640467).

542166102605 is a wasteful number, since it uses less digits than its factorization.

542166102605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62069995.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 542166102605 in words is "five hundred forty-two billion, one hundred sixty-six million, one hundred two thousand, six hundred five".