1016666316 has 120 divisors (see below), whose sum is σ = 2748684400. Its totient is φ = 328784832.

The previous prime is 1016666281. The next prime is 1016666323. The reversal of 1016666316 is 6136666101.

It is a happy number.

It is a super-2 number, since 2×1016666316² = 2067220796178023712, which contains 22 as substring.

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 39 ways as a sum of consecutive naturals, for example, 2912910 + ... + 2913258.

Almost surely, 2^1016666316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016666316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374342200).

1016666316 is an abundant number, since it is smaller than the sum of its proper divisors (1732018084).

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

1016666316 is an frugal number, since it uses more digits than its factorization.

1016666316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1016666316 is about 31885.2052839558. The cubic root of 1016666316 is about 1005.5248583927.

The spelling of 1016666316 in words is "one billion, sixteen million, six hundred sixty-six thousand, three hundred sixteen".