1600181632 has 96 divisors (see below), whose sum is σ = 3745843920. Its totient is φ = 678859776.

The previous prime is 1600181621. The next prime is 1600181647. The reversal of 1600181632 is 2361810061.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1600181632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 644778 + ... + 647254.

Almost surely, 2^1600181632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1600181632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872921960).

1600181632 is an abundant number, since it is smaller than the sum of its proper divisors (2145662288).

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

1600181632 is a wasteful number, since it uses less digits than its factorization.

1600181632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2589 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1600181632 is about 40002.2703355697. The cubic root of 1600181632 is about 1169.6513515430.

Adding to 1600181632 its reverse (2361810061), we get a palindrome (3961991693).

The spelling of 1600181632 in words is "one billion, six hundred million, one hundred eighty-one thousand, six hundred thirty-two".