542220816698 has 8 divisors (see below), whose sum is σ = 887270427360. Its totient is φ = 246464007580.

The previous prime is 542220816659. The next prime is 542220816707. The reversal of 542220816698 is 896618022245.

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

It is a super-2 number, since 2×542220816698² (a number of 24 digits) contains 22 as substring.

It is a Curzon 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, 12323200358 + ... + 12323200401.

It is an arithmetic number, because the mean of its divisors is an integer number (110908803420).

Almost surely, 2^542220816698 is an apocalyptic number.

542220816698 is a deficient number, since it is larger than the sum of its proper divisors (345049610662).

542220816698 is a wasteful number, since it uses less digits than its factorization.

542220816698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24646400772.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 542220816698 in words is "five hundred forty-two billion, two hundred twenty million, eight hundred sixteen thousand, six hundred ninety-eight".