15680348165380 has 96 divisors (see below), whose sum is σ = 35207889260544. Its totient is φ = 5851849981824.

The previous prime is 15680348165371. The next prime is 15680348165459. The reversal of 15680348165380 is 8356184308651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13834849 + ... + 14925271.

It is an arithmetic number, because the mean of its divisors is an integer number (366748846464).

Almost surely, 2^{15680348165380} is an apocalyptic number.

15680348165380 is a gapful number since it is divisible by the number (10) 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 15680348165380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17603944630272).

15680348165380 is an abundant number, since it is smaller than the sum of its proper divisors (19527541095164).

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

15680348165380 is a wasteful number, since it uses less digits than its factorization.

15680348165380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091225 (or 1091223 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 15680348165380 in words is "fifteen trillion, six hundred eighty billion, three hundred forty-eight million, one hundred sixty-five thousand, three hundred eighty".