1016667 has 12 divisors (see below), whose sum is σ = 1487304. Its totient is φ = 669120.

The previous prime is 1016663. The next prime is 1016681. The reversal of 1016667 is 7666101.

It is not a de Polignac number, because 1016667 - 2² = 1016663 is a prime.

It is a super-2 number, since 2×1016667² = 2067223577778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1016667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016663) 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, 67 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (123942).

2^1016667 is an apocalyptic number.

1016667 is a deficient number, since it is larger than the sum of its proper divisors (470637).

1016667 is a wasteful number, since it uses less digits than its factorization.

1016667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1016667 is about 1008.2990627785. The cubic root of 1016667 is about 100.5525083894.

The spelling of 1016667 in words is "one million, sixteen thousand, six hundred sixty-seven".