1633642132 has 24 divisors (see below), whose sum is σ = 3032273664. Its totient is φ = 767444352.

The previous prime is 1633642079. The next prime is 1633642133. The reversal of 1633642132 is 2312463361.

It is a junction number, because it is equal to n+sod(n) for n = 1633642094 and 1633642103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1633642133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19453 + ... + 60379.

It is an arithmetic number, because the mean of its divisors is an integer number (126344736).

Almost surely, 2^1633642132 is an apocalyptic number.

It is an amenable number.

1633642132 is a deficient number, since it is larger than the sum of its proper divisors (1398631532).

1633642132 is a wasteful number, since it uses less digits than its factorization.

1633642132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41535 (or 41533 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 1633642132 is about 40418.3390554337. The cubic root of 1633642132 is about 1177.7478184922.

The spelling of 1633642132 in words is "one billion, six hundred thirty-three million, six hundred forty-two thousand, one hundred thirty-two".