1616166 has 24 divisors (see below), whose sum is σ = 3612360. Its totient is φ = 535608.

The previous prime is 1616161. The next prime is 1616171. The reversal of 1616166 is 6616161.

It is an interprime number because it is at equal distance from previous prime (1616161) and next prime (1616171).

It is a super-2 number, since 2×1616166² = 5223985079112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616161) 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, 9256 + ... + 9428.

It is an arithmetic number, because the mean of its divisors is an integer number (150515).

2^1616166 is an apocalyptic number.

1616166 is an abundant number, since it is smaller than the sum of its proper divisors (1996194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616166 is an equidigital number, since it uses as much as digits as its factorization.

1616166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 178 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1616166 is about 1271.2851765045. The cubic root of 1616166 is about 117.3533041793.

The spelling of 1616166 in words is "one million, six hundred sixteen thousand, one hundred sixty-six".