1002160656 has 120 divisors (see below), whose sum is σ = 3315948480. Its totient is φ = 276450048.

The previous prime is 1002160639. The next prime is 1002160667. The reversal of 1002160656 is 6560612001.

It is a happy number.

1002160656 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 1 + 6 + 0 + 656 = 666.

1002160656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12091 + ... + 46373.

It is an arithmetic number, because the mean of its divisors is an integer number (27632904).

Almost surely, 2^1002160656 is an apocalyptic number.

1002160656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002160656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657974240).

1002160656 is an abundant number, since it is smaller than the sum of its proper divisors (2313787824).

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

1002160656 is a wasteful number, since it uses less digits than its factorization.

1002160656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34333 (or 34324 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1002160656 is about 31656.9211389863. The cubic root of 1002160656 is about 1000.7197005735.

Adding to 1002160656 its reverse (6560612001), we get a palindrome (7562772657).

The spelling of 1002160656 in words is "one billion, two million, one hundred sixty thousand, six hundred fifty-six".