16270660 has 96 divisors (see below), whose sum is σ = 42319872. Its totient is φ = 5132160.

The previous prime is 16270627. The next prime is 16270663. The reversal of 16270660 is 6607261.

16270660 is a nontrivial binomial coefficient, being equal to C(5705, 2).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (16270663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99739 + ... + 99901.

It is an arithmetic number, because the mean of its divisors is an integer number (440832).

Almost surely, 2^16270660 is an apocalyptic number.

16270660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16270660 is the 5704-th triangular number.

16270660 is the 1902-nd centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16270660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21159936).

16270660 is an abundant number, since it is smaller than the sum of its proper divisors (26049212).

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

16270660 is a wasteful number, since it uses less digits than its factorization.

16270660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 16270660 is about 4033.6906177842. The cubic root of 16270660 is about 253.3971484357.

The spelling of 16270660 in words is "sixteen million, two hundred seventy thousand, six hundred sixty".