3261149619668 has 24 divisors (see below), whose sum is σ = 5917061063424. Its totient is φ = 1571024174400.

The previous prime is 3261149619641. The next prime is 3261149619697. The reversal of 3261149619668 is 8669169411623.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 3261149619668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57900473 + ... + 57956768.

It is an arithmetic number, because the mean of its divisors is an integer number (246544210976).

Almost surely, 2^{3261149619668} is an apocalyptic number.

It is an amenable number.

3261149619668 is a deficient number, since it is larger than the sum of its proper divisors (2655911443756).

3261149619668 is a wasteful number, since it uses less digits than its factorization.

3261149619668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115857503 (or 115857501 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 62.

The spelling of 3261149619668 in words is "three trillion, two hundred sixty-one billion, one hundred forty-nine million, six hundred nineteen thousand, six hundred sixty-eight".