3291836306612 has 72 divisors (see below), whose sum is σ = 6736911350400. Its totient is φ = 1403281091520.

The previous prime is 3291836306597. The next prime is 3291836306657. The reversal of 3291836306612 is 2166036381923.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156512537 + ... + 156533567.

It is an arithmetic number, because the mean of its divisors is an integer number (93568213200).

Almost surely, 2^{3291836306612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3291836306612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3368455675200).

3291836306612 is an abundant number, since it is smaller than the sum of its proper divisors (3445075043788).

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

3291836306612 is a wasteful number, since it uses less digits than its factorization.

3291836306612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25261 (or 25252 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 3291836306612 in words is "three trillion, two hundred ninety-one billion, eight hundred thirty-six million, three hundred six thousand, six hundred twelve".