542061565626 has 16 divisors (see below), whose sum is σ = 1238997864384. Its totient is φ = 154874733024.

The previous prime is 542061565613. The next prime is 542061565679. The reversal of 542061565626 is 626565160245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6453113835 + ... + 6453113918.

It is an arithmetic number, because the mean of its divisors is an integer number (77437366524).

Almost surely, 2^542061565626 is an apocalyptic number.

542061565626 is an abundant number, since it is smaller than the sum of its proper divisors (696936298758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542061565626 is a wasteful number, since it uses less digits than its factorization.

542061565626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906227765.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 542061565626 in words is "five hundred forty-two billion, sixty-one million, five hundred sixty-five thousand, six hundred twenty-six".