2153523366 has 12 divisors (see below), whose sum is σ = 4665967332. Its totient is φ = 717841116.

The previous prime is 2153523353. The next prime is 2153523367. The reversal of 2153523366 is 6633253512.

2153523366 is a `hidden beast` number, since 21 + 53 + 523 + 3 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2153523366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153523367) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 59820076 + ... + 59820111.

It is an arithmetic number, because the mean of its divisors is an integer number (388830611).

Almost surely, 2^2153523366 is an apocalyptic number.

2153523366 is an abundant number, since it is smaller than the sum of its proper divisors (2512443966).

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

2153523366 is a wasteful number, since it uses less digits than its factorization.

2153523366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119640195 (or 119640192 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 2153523366 is about 46406.0703572281. The cubic root of 2153523366 is about 1291.3675311970.

Adding to 2153523366 its reverse (6633253512), we get a palindrome (8786776878).

The spelling of 2153523366 in words is "two billion, one hundred fifty-three million, five hundred twenty-three thousand, three hundred sixty-six".