2153663512 has 192 divisors, whose sum is σ = 5705763840. Its totient is φ = 740171520.

The previous prime is 2153663507. The next prime is 2153663537.

2153663512 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2025493 + ... + 2026555.

It is an arithmetic number, because the mean of its divisors is an integer number (29717520).

Almost surely, 2^2153663512 is an apocalyptic number.

2153663512 is a gapful number since it is divisible by the number (22) 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 2153663512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2852881920).

2153663512 is an abundant number, since it is smaller than the sum of its proper divisors (3552100328).

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

2153663512 is a wasteful number, since it uses less digits than its factorization.

2153663512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1119 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 2153663512 is about 46407.5803290799. The cubic root of 2153663512 is about 1291.3955435961.

The spelling of 2153663512 in words is "two billion, one hundred fifty-three million, six hundred sixty-three thousand, five hundred twelve".