1166407 has 8 divisors (see below), whose sum is σ = 1285632. Its totient is φ = 1049400.

The previous prime is 1166401. The next prime is 1166411. The reversal of 1166407 is 7046611.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1166407 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 (1166401) 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, 682 + ... + 1672.

It is an arithmetic number, because the mean of its divisors is an integer number (160704).

2^1166407 is an apocalyptic number.

1166407 is a deficient number, since it is larger than the sum of its proper divisors (119225).

1166407 is a wasteful number, since it uses less digits than its factorization.

1166407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1166407 is about 1080.0032407359. The cubic root of 1166407 is about 105.2648491527.

The spelling of 1166407 in words is "one million, one hundred sixty-six thousand, four hundred seven".