3261603120 has 80 divisors (see below), whose sum is σ = 10123896672. Its totient is φ = 868648960.

The previous prime is 3261603089. The next prime is 3261603181. The reversal of 3261603120 is 213061623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188764 + ... + 205316.

Almost surely, 2^3261603120 is an apocalyptic number.

3261603120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3261603120 is an abundant number, since it is smaller than the sum of its proper divisors (6862293552).

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

3261603120 is a wasteful number, since it uses less digits than its factorization.

3261603120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17390 (or 17384 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3261603120 is about 57110.4466800952. The cubic root of 3261603120 is about 1483.0087198881.

Adding to 3261603120 its reverse (213061623), we get a palindrome (3474664743).

The spelling of 3261603120 in words is "three billion, two hundred sixty-one million, six hundred three thousand, one hundred twenty".