16558940142 has 12 divisors (see below), whose sum is σ = 35877703680. Its totient is φ = 5519646708.

The previous prime is 16558940119. The next prime is 16558940147. The reversal of 16558940142 is 24104985561.

16558940142 is a `hidden beast` number, since 1 + 6 + 558 + 94 + 0 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16558940147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459970542 + ... + 459970577.

It is an arithmetic number, because the mean of its divisors is an integer number (2989808640).

Almost surely, 2^16558940142 is an apocalyptic number.

16558940142 is an abundant number, since it is smaller than the sum of its proper divisors (19318763538).

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

16558940142 is a wasteful number, since it uses less digits than its factorization.

16558940142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919941127 (or 919941124 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 16558940142 in words is "sixteen billion, five hundred fifty-eight million, nine hundred forty thousand, one hundred forty-two".