2016866687 has 8 divisors (see below), whose sum is σ = 2200920960. Its totient is φ = 1832929560.

The previous prime is 2016866671. The next prime is 2016866693. The reversal of 2016866687 is 7866686102.

It is a happy number.

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

It is not a de Polignac number, because 2016866687 - 2⁴ = 2016866671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016866617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8888 + ... + 64130.

It is an arithmetic number, because the mean of its divisors is an integer number (275115120).

Almost surely, 2^2016866687 is an apocalyptic number.

2016866687 is a deficient number, since it is larger than the sum of its proper divisors (184054273).

2016866687 is a wasteful number, since it uses less digits than its factorization.

2016866687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58573.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 2016866687 is about 44909.5389310556. The cubic root of 2016866687 is about 1263.4529222582.

The spelling of 2016866687 in words is "two billion, sixteen million, eight hundred sixty-six thousand, six hundred eighty-seven".