15799680 has 192 divisors, whose sum is σ = 59033520. Its totient is φ = 3870720.

The previous prime is 15799673. The next prime is 15799687. The reversal of 15799680 is 8699751.

It is an interprime number because it is at equal distance from previous prime (15799673) and next prime (15799687).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15799687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74775 + ... + 74985.

Almost surely, 2^15799680 is an apocalyptic number.

15799680 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 15799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29516760).

15799680 is an abundant number, since it is smaller than the sum of its proper divisors (43233840).

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

15799680 is a wasteful number, since it uses less digits than its factorization.

15799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 15799680 is about 3974.8811302981. The cubic root of 15799680 is about 250.9281763566.

The spelling of 15799680 in words is "fifteen million, seven hundred ninety-nine thousand, six hundred eighty".