1331702166 has 8 divisors (see below), whose sum is σ = 2663404344. Its totient is φ = 443900720.

The previous prime is 1331702161. The next prime is 1331702167. The reversal of 1331702166 is 6612071331.

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

1331702166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331702161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110975175 + ... + 110975186.

It is an arithmetic number, because the mean of its divisors is an integer number (332925543).

Almost surely, 2^1331702166 is an apocalyptic number.

1331702166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1331702166 is a wasteful number, since it uses less digits than its factorization.

1331702166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221950366.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1331702166 is about 36492.4946530105. The cubic root of 1331702166 is about 1100.1934001545.

Adding to 1331702166 its reverse (6612071331), we get a palindrome (7943773497).

The spelling of 1331702166 in words is "one billion, three hundred thirty-one million, seven hundred two thousand, one hundred sixty-six".