2016986505 has 16 divisors (see below), whose sum is σ = 3417012864. Its totient is φ = 1012448000.

The previous prime is 2016986501. The next prime is 2016986507. The reversal of 2016986505 is 5056896102.

It is not a de Polignac number, because 2016986505 - 2² = 2016986501 is a prime.

It is a super-2 number, since 2×2016986505² = 8136469122704230050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2016986501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3954621 + ... + 3955130.

It is an arithmetic number, because the mean of its divisors is an integer number (213563304).

Almost surely, 2^2016986505 is an apocalyptic number.

It is an amenable number.

2016986505 is a deficient number, since it is larger than the sum of its proper divisors (1400026359).

2016986505 is a wasteful number, since it uses less digits than its factorization.

2016986505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909776.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 2016986505 is about 44910.8729040084. The cubic root of 2016986505 is about 1263.4779414965.

The spelling of 2016986505 in words is "two billion, sixteen million, nine hundred eighty-six thousand, five hundred five".