3668728600320 has 144 divisors (see below), whose sum is σ = 13390859489280. Its totient is φ = 838566531072.

The previous prime is 3668728600319. The next prime is 3668728600321. The reversal of 3668728600320 is 230068278663.

It is an interprime number because it is at equal distance from previous prime (3668728600319) and next prime (3668728600321).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668728600321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68215840 + ... + 68269599.

Almost surely, 2^{3668728600320} is an apocalyptic number.

3668728600320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3668728600320 is an abundant number, since it is smaller than the sum of its proper divisors (9722130888960).

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

3668728600320 is a wasteful number, since it uses less digits than its factorization.

3668728600320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136485470 (or 136485456 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 3668728600320 in words is "three trillion, six hundred sixty-eight billion, seven hundred twenty-eight million, six hundred thousand, three hundred twenty".