1636053252 has 12 divisors (see below), whose sum is σ = 3817457616. Its totient is φ = 545351080.

The previous prime is 1636053239. The next prime is 1636053253. The reversal of 1636053252 is 2523506361.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1636053253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68168874 + ... + 68168897.

It is an arithmetic number, because the mean of its divisors is an integer number (318121468).

Almost surely, 2^1636053252 is an apocalyptic number.

1636053252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1636053252 is an abundant number, since it is smaller than the sum of its proper divisors (2181404364).

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

1636053252 is a wasteful number, since it uses less digits than its factorization.

1636053252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136337778 (or 136337776 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1636053252 is about 40448.1551124399. The cubic root of 1636053252 is about 1178.3269529630.

The spelling of 1636053252 in words is "one billion, six hundred thirty-six million, fifty-three thousand, two hundred fifty-two".