538845742066 has 16 divisors (see below), whose sum is σ = 887800766400. Its totient is φ = 244145209968.

The previous prime is 538845742027. The next prime is 538845742109. The reversal of 538845742066 is 660247548835.

It is a self number, because there is not a number n which added to its sum of digits gives 538845742066.

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, 308263281 + ... + 308265028.

It is an arithmetic number, because the mean of its divisors is an integer number (55487547900).

Almost surely, 2^538845742066 is an apocalyptic number.

538845742066 is a deficient number, since it is larger than the sum of its proper divisors (348955024334).

538845742066 is a wasteful number, since it uses less digits than its factorization.

538845742066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616528353.

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 538845742066 in words is "five hundred thirty-eight billion, eight hundred forty-five million, seven hundred forty-two thousand, sixty-six".