1633626252 has 48 divisors (see below), whose sum is σ = 4286378880. Its totient is φ = 537978384.

The previous prime is 1633626233. The next prime is 1633626259. The reversal of 1633626252 is 2526263361.

1633626252 is a `hidden beast` number, since 1 + 6 + 3 + 3 + 626 + 25 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1633626259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82158 + ... + 100085.

It is an arithmetic number, because the mean of its divisors is an integer number (89299560).

Almost surely, 2^1633626252 is an apocalyptic number.

1633626252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1633626252 is an abundant number, since it is smaller than the sum of its proper divisors (2652752628).

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

1633626252 is a wasteful number, since it uses less digits than its factorization.

1633626252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182339 (or 182331 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1633626252 is about 40418.1426094767. The cubic root of 1633626252 is about 1177.7440023369.

The spelling of 1633626252 in words is "one billion, six hundred thirty-three million, six hundred twenty-six thousand, two hundred fifty-two".