42186020616 has 64 divisors (see below), whose sum is σ = 117343699200. Its totient is φ = 14042769984.

The previous prime is 42186020599. The next prime is 42186020711. The reversal of 42186020616 is 61602068124.

42186020616 is a `hidden beast` number, since 4 + 2 + 18 + 6 + 0 + 20 + 616 = 666.

42186020616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25105 + ... + 291551.

It is an arithmetic number, because the mean of its divisors is an integer number (1833495300).

Almost surely, 2^42186020616 is an apocalyptic number.

It is an amenable number.

42186020616 is an abundant number, since it is smaller than the sum of its proper divisors (75157678584).

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

42186020616 is a wasteful number, since it uses less digits than its factorization.

42186020616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267195 (or 267185 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 42186020616 in words is "forty-two billion, one hundred eighty-six million, twenty thousand, six hundred sixteen".