1662712112 has 20 divisors (see below), whose sum is σ = 3223640400. Its totient is φ = 830804928.

The previous prime is 1662712087. The next prime is 1662712127. The reversal of 1662712112 is 2112172661.

It is a super-2 number, since 2×1662712112² = 5529223134783001088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8987 + ... + 58362.

It is an arithmetic number, because the mean of its divisors is an integer number (161182020).

Almost surely, 2^1662712112 is an apocalyptic number.

It is an amenable number.

1662712112 is a deficient number, since it is larger than the sum of its proper divisors (1560928288).

1662712112 is a wasteful number, since it uses less digits than its factorization.

1662712112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68900 (or 68894 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 1662712112 is about 40776.3670770215. The cubic root of 1662712112 is about 1184.6926302566.

Adding to 1662712112 its reverse (2112172661), we get a palindrome (3774884773).

The spelling of 1662712112 in words is "one billion, six hundred sixty-two million, seven hundred twelve thousand, one hundred twelve".