1656152112 has 20 divisors (see below), whose sum is σ = 4278393080. Its totient is φ = 552050688.

The previous prime is 1656152089. The next prime is 1656152143. The reversal of 1656152112 is 2112516561.

It is a self number, because there is not a number n which added to its sum of digits gives 1656152112.

It is an unprimeable number.

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, 17251537 + ... + 17251632.

It is an arithmetic number, because the mean of its divisors is an integer number (213919654).

Almost surely, 2^1656152112 is an apocalyptic number.

1656152112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1656152112 is an abundant number, since it is smaller than the sum of its proper divisors (2622240968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1656152112 is a wasteful number, since it uses less digits than its factorization.

1656152112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34503180 (or 34503174 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 1656152112 is about 40695.8488300711. The cubic root of 1656152112 is about 1183.1325632977.

Adding to 1656152112 its reverse (2112516561), we get a palindrome (3768668673).

The spelling of 1656152112 in words is "one billion, six hundred fifty-six million, one hundred fifty-two thousand, one hundred twelve".