1650161832 has 64 divisors (see below), whose sum is σ = 4523428800. Its totient is φ = 497495040.

The previous prime is 1650161819. The next prime is 1650161839. The reversal of 1650161832 is 2381610561.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1650161793 and 1650161802.

It is not an unprimeable number, because it can be changed into a prime (1650161839) 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, 36144 + ... + 67872.

It is an arithmetic number, because the mean of its divisors is an integer number (70678575).

Almost surely, 2^1650161832 is an apocalyptic number.

1650161832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650161832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261714400).

1650161832 is an abundant number, since it is smaller than the sum of its proper divisors (2873266968).

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

1650161832 is a wasteful number, since it uses less digits than its factorization.

1650161832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31946 (or 31942 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1650161832 is about 40622.1839885548. The cubic root of 1650161832 is about 1181.7043817968.

The spelling of 1650161832 in words is "one billion, six hundred fifty million, one hundred sixty-one thousand, eight hundred thirty-two".