2655516630 has 64 divisors (see below), whose sum is σ = 6883289280. Its totient is φ = 651780096.

The previous prime is 2655516629. The next prime is 2655516641. The reversal of 2655516630 is 366155562.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128026 + ... + 147314.

It is an arithmetic number, because the mean of its divisors is an integer number (107551395).

Almost surely, 2^2655516630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2655516630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3441644640).

2655516630 is an abundant number, since it is smaller than the sum of its proper divisors (4227772650).

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

2655516630 is a wasteful number, since it uses less digits than its factorization.

2655516630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19665.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 2655516630 is about 51531.7050950189. The cubic root of 2655516630 is about 1384.7870977378.

The spelling of 2655516630 in words is "two billion, six hundred fifty-five million, five hundred sixteen thousand, six hundred thirty".