1612161112 has 16 divisors (see below), whose sum is σ = 3023244000. Its totient is φ = 805962720.

The previous prime is 1612161101. The next prime is 1612161113. The reversal of 1612161112 is 2111612161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612161113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77062 + ... + 95722.

It is an arithmetic number, because the mean of its divisors is an integer number (188952750).

Almost surely, 2^1612161112 is an apocalyptic number.

It is an amenable number.

1612161112 is a deficient number, since it is larger than the sum of its proper divisors (1411082888).

1612161112 is a wasteful number, since it uses less digits than its factorization.

1612161112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29466 (or 29462 counting only the distinct ones).

The product of its digits is 144, while the sum is 22.

The square root of 1612161112 is about 40151.7261397315. The cubic root of 1612161112 is about 1172.5628947763.

Adding to 1612161112 its reverse (2111612161), we get a palindrome (3723773273).

The spelling of 1612161112 in words is "one billion, six hundred twelve million, one hundred sixty-one thousand, one hundred twelve".