1016666361 has 12 divisors (see below), whose sum is σ = 1469524992. Its totient is φ = 677312856.

The previous prime is 1016666333. The next prime is 1016666389. The reversal of 1016666361 is 1636666101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1016666333) and next prime (1016666389).

It is not a de Polignac number, because 1016666361 - 2¹⁰ = 1016665337 is a prime.

It is a super-2 number, since 2×1016666361² = 2067220979177964642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1016666461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24601 + ... + 51366.

It is an arithmetic number, because the mean of its divisors is an integer number (122460416).

Almost surely, 2^1016666361 is an apocalyptic number.

It is an amenable number.

1016666361 is a deficient number, since it is larger than the sum of its proper divisors (452858631).

1016666361 is a wasteful number, since it uses less digits than its factorization.

1016666361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77460 (or 77457 counting only the distinct ones).

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

The square root of 1016666361 is about 31885.2059896122. The cubic root of 1016666361 is about 1005.5248732283.

The spelling of 1016666361 in words is "one billion, sixteen million, six hundred sixty-six thousand, three hundred sixty-one".