2168330536 has 32 divisors (see below), whose sum is σ = 4178603880. Its totient is φ = 1054080000.

The previous prime is 2168330533. The next prime is 2168330539. The reversal of 2168330536 is 6350338612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2168330533) and next prime (2168330539).

It can be written as a sum of positive squares in 4 ways, for example, as 1868832900 + 299497636 = 43230^2 + 17306^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 2168330495 and 2168330504.

It is not an unprimeable number, because it can be changed into a prime (2168330533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721036 + ... + 724036.

Almost surely, 2^2168330536 is an apocalyptic number.

It is an amenable number.

2168330536 is a deficient number, since it is larger than the sum of its proper divisors (2010273344).

2168330536 is a wasteful number, since it uses less digits than its factorization.

2168330536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5485 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2168330536 is about 46565.3362062382. The cubic root of 2168330536 is about 1294.3204966161.

The spelling of 2168330536 in words is "two billion, one hundred sixty-eight million, three hundred thirty thousand, five hundred thirty-six".