16610253330 has 128 divisors (see below), whose sum is σ = 45179430912. Its totient is φ = 3872960000.

The previous prime is 16610253299. The next prime is 16610253347. The reversal of 16610253330 is 3335201661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 951985 + ... + 969275.

It is an arithmetic number, because the mean of its divisors is an integer number (352964304).

Almost surely, 2^16610253330 is an apocalyptic number.

16610253330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16610253330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22589715456).

16610253330 is an abundant number, since it is smaller than the sum of its proper divisors (28569177582).

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

16610253330 is a wasteful number, since it uses less digits than its factorization.

16610253330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 16610253330 its reverse (3335201661), we get a palindrome (19945454991).

The spelling of 16610253330 in words is "sixteen billion, six hundred ten million, two hundred fifty-three thousand, three hundred thirty".