3636666973320 has 128 divisors (see below), whose sum is σ = 10949424393600. Its totient is φ = 966275813376.

The previous prime is 3636666973307. The next prime is 3636666973361. The reversal of 3636666973320 is 233796666363.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113782782 + ... + 113814738.

It is an arithmetic number, because the mean of its divisors is an integer number (85542378075).

Almost surely, 2^{3636666973320} is an apocalyptic number.

3636666973320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636666973320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5474712196800).

3636666973320 is an abundant number, since it is smaller than the sum of its proper divisors (7312757420280).

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

3636666973320 is a wasteful number, since it uses less digits than its factorization.

3636666973320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35367 (or 35363 counting only the distinct ones).

The product of its (nonzero) digits is 79361856, while the sum is 60.

The spelling of 3636666973320 in words is "three trillion, six hundred thirty-six billion, six hundred sixty-six million, nine hundred seventy-three thousand, three hundred twenty".