1216936162 has 8 divisors (see below), whose sum is σ = 1965819996. Its totient is φ = 561662832.

The previous prime is 1216936121. The next prime is 1216936169. The reversal of 1216936162 is 2616396121.

It can be written as a sum of positive squares in 2 ways, for example, as 1214592201 + 2343961 = 34851^2 + 1531^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1216936169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23402593 + ... + 23402644.

Almost surely, 2^1216936162 is an apocalyptic number.

1216936162 is a deficient number, since it is larger than the sum of its proper divisors (748883834).

1216936162 is a wasteful number, since it uses less digits than its factorization.

1216936162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46805252.

The product of its digits is 23328, while the sum is 37.

The square root of 1216936162 is about 34884.6121090661. The cubic root of 1216936162 is about 1067.6344989009.

The spelling of 1216936162 in words is "one billion, two hundred sixteen million, nine hundred thirty-six thousand, one hundred sixty-two".