1098166 has 8 divisors (see below), whose sum is σ = 1744200. Its totient is φ = 516768.

The previous prime is 1098151. The next prime is 1098187. The reversal of 1098166 is 6618901.

1098166 = 121² + 122² + ... + 171².

It is a happy number.

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

It is a congruent number.

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, 16116 + ... + 16183.

It is an arithmetic number, because the mean of its divisors is an integer number (218025).

2^1098166 is an apocalyptic number.

1098166 is a deficient number, since it is larger than the sum of its proper divisors (646034).

1098166 is a wasteful number, since it uses less digits than its factorization.

1098166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1098166 is about 1047.9341582371. The cubic root of 1098166 is about 103.1706098830.

The spelling of 1098166 in words is "one million, ninety-eight thousand, one hundred sixty-six".