16018442776242 has 12 divisors (see below), whose sum is σ = 34706626015230. Its totient is φ = 5339480925408.

The previous prime is 16018442776183. The next prime is 16018442776327. The reversal of 16018442776242 is 24267724481061.

16018442776242 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 8 + 4 + 4 + 2 + 7 + 7 + 624 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11723563712961 + 4294879063281 = 3423969^2 + 2072409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444956743767 + ... + 444956743802.

Almost surely, 2^{16018442776242} is an apocalyptic number.

16018442776242 is an abundant number, since it is smaller than the sum of its proper divisors (18688183238988).

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

16018442776242 is a wasteful number, since it uses less digits than its factorization.

16018442776242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889913487577 (or 889913487574 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 16018442776242 in words is "sixteen trillion, eighteen billion, four hundred forty-two million, seven hundred seventy-six thousand, two hundred forty-two".