1662112148 has 24 divisors (see below), whose sum is σ = 3053920800. Its totient is φ = 790419168.

The previous prime is 1662112147. The next prime is 1662112157. The reversal of 1662112148 is 8412112661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662112147) 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 7 ways as a sum of consecutive naturals, for example, 99158 + ... + 114701.

It is an arithmetic number, because the mean of its divisors is an integer number (127246700).

Almost surely, 2^1662112148 is an apocalyptic number.

It is an amenable number.

1662112148 is a deficient number, since it is larger than the sum of its proper divisors (1391808652).

1662112148 is a wasteful number, since it uses less digits than its factorization.

1662112148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213959 (or 213957 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 1662112148 is about 40769.0096519403. The cubic root of 1662112148 is about 1184.5501204315.

The spelling of 1662112148 in words is "one billion, six hundred sixty-two million, one hundred twelve thousand, one hundred forty-eight".