3691326726660 has 24 divisors (see below), whose sum is σ = 10335714834816. Its totient is φ = 984353793760.

The previous prime is 3691326726623. The next prime is 3691326726683. The reversal of 3691326726660 is 666276231963.

3691326726660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3691326726660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30761055996 + ... + 30761056115.

It is an arithmetic number, because the mean of its divisors is an integer number (430654784784).

Almost surely, 2^{3691326726660} is an apocalyptic number.

3691326726660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3691326726660 is an abundant number, since it is smaller than the sum of its proper divisors (6644388108156).

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

3691326726660 is a wasteful number, since it uses less digits than its factorization.

3691326726660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61522112123 (or 61522112121 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 57.

The spelling of 3691326726660 in words is "three trillion, six hundred ninety-one billion, three hundred twenty-six million, seven hundred twenty-six thousand, six hundred sixty".