1151666 has 8 divisors (see below), whose sum is σ = 1818480. Its totient is φ = 545508.

The previous prime is 1151659. The next prime is 1151671. The reversal of 1151666 is 6661511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15116 + ... + 15191.

It is an arithmetic number, because the mean of its divisors is an integer number (227310).

2^1151666 is an apocalyptic number.

1151666 is a deficient number, since it is larger than the sum of its proper divisors (666814).

1151666 is a wasteful number, since it uses less digits than its factorization.

1151666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30328.

The product of its digits is 1080, while the sum is 26.

The square root of 1151666 is about 1073.1570248570. The cubic root of 1151666 is about 104.8195236823.

The spelling of 1151666 in words is "one million, one hundred fifty-one thousand, six hundred sixty-six".