542251662616 has 8 divisors (see below), whose sum is σ = 1016721867420. Its totient is φ = 271125831304.

The previous prime is 542251662571. The next prime is 542251662697. The reversal of 542251662616 is 616266152245.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33890728906 + ... + 33890728921.

Almost surely, 2^542251662616 is an apocalyptic number.

It is an amenable number.

542251662616 is a deficient number, since it is larger than the sum of its proper divisors (474470204804).

542251662616 is a wasteful number, since it uses less digits than its factorization.

542251662616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67781457833 (or 67781457829 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 542251662616 in words is "five hundred forty-two billion, two hundred fifty-one million, six hundred sixty-two thousand, six hundred sixteen".