187416445642 has 8 divisors (see below), whose sum is σ = 281279905632. Its totient is φ = 93656477100.

The previous prime is 187416445639. The next prime is 187416445703. The reversal of 187416445642 is 246544614781.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 187416445642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25868334 + ... + 25875577.

It is an arithmetic number, because the mean of its divisors is an integer number (35159988204).

Almost surely, 2^187416445642 is an apocalyptic number.

187416445642 is a deficient number, since it is larger than the sum of its proper divisors (93863459990).

187416445642 is a wasteful number, since it uses less digits than its factorization.

187416445642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51745724.

The product of its digits is 5160960, while the sum is 52.

The spelling of 187416445642 in words is "one hundred eighty-seven billion, four hundred sixteen million, four hundred forty-five thousand, six hundred forty-two".