532161630 has 384 divisors, whose sum is σ = 1930521600. Its totient is φ = 101502720.

The previous prime is 532161613. The next prime is 532161631. The reversal of 532161630 is 36161235.

532161630 is a `hidden beast` number, since 5 + 3 + 21 + 6 + 1 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 532161594 and 532161603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532161631) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2972881 + ... + 2973059.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^532161630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 532161630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965260800).

532161630 is an abundant number, since it is smaller than the sum of its proper divisors (1398359970).

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

532161630 is a wasteful number, since it uses less digits than its factorization.

532161630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 532161630 is about 23068.6286978659. The cubic root of 532161630 is about 810.3659526100.

The spelling of 532161630 in words is "five hundred thirty-two million, one hundred sixty-one thousand, six hundred thirty".