1214161566 has 8 divisors (see below), whose sum is σ = 2428323144. Its totient is φ = 404720520.

The previous prime is 1214161561. The next prime is 1214161567. The reversal of 1214161566 is 6651614121.

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

1214161566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214161561) 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, 101180125 + ... + 101180136.

It is an arithmetic number, because the mean of its divisors is an integer number (303540393).

Almost surely, 2^1214161566 is an apocalyptic number.

1214161566 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.

1214161566 is a wasteful number, since it uses less digits than its factorization.

1214161566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202360266.

The product of its digits is 8640, while the sum is 33.

The square root of 1214161566 is about 34844.8212220984. The cubic root of 1214161566 is about 1066.8224846373.

Adding to 1214161566 its reverse (6651614121), we get a palindrome (7865775687).

The spelling of 1214161566 in words is "one billion, two hundred fourteen million, one hundred sixty-one thousand, five hundred sixty-six".