3261340164 has 12 divisors (see below), whose sum is σ = 7609793744. Its totient is φ = 1087113384.

The previous prime is 3261340133. The next prime is 3261340183. The reversal of 3261340164 is 4610431623.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135889162 + ... + 135889185.

Almost surely, 2^3261340164 is an apocalyptic number.

It is an amenable number.

3261340164 is an abundant number, since it is smaller than the sum of its proper divisors (4348453580).

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

3261340164 is a wasteful number, since it uses less digits than its factorization.

3261340164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271778354 (or 271778352 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 3261340164 is about 57108.1444629398. The cubic root of 3261340164 is about 1482.9688645872.

Adding to 3261340164 its reverse (4610431623), we get a palindrome (7871771787).

The spelling of 3261340164 in words is "three billion, two hundred sixty-one million, three hundred forty thousand, one hundred sixty-four".