3261645162 has 12 divisors (see below), whose sum is σ = 7066897890. Its totient is φ = 1087215048.

The previous prime is 3261645151. The next prime is 3261645199. The reversal of 3261645162 is 2615461623.

3261645162 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 645 + 1 + 6 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2471978961 + 789666201 = 49719^2 + 28101^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 5 ways as a sum of consecutive naturals, for example, 90601237 + ... + 90601272.

Almost surely, 2^3261645162 is an apocalyptic number.

3261645162 is an abundant number, since it is smaller than the sum of its proper divisors (3805252728).

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

3261645162 is a wasteful number, since it uses less digits than its factorization.

3261645162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181202517 (or 181202514 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3261645162 is about 57110.8147551757. The cubic root of 3261645162 is about 1483.0150918451.

The spelling of 3261645162 in words is "three billion, two hundred sixty-one million, six hundred forty-five thousand, one hundred sixty-two".