2161850732 has 6 divisors (see below), whose sum is σ = 3783238788. Its totient is φ = 1080925364.

The previous prime is 2161850711. The next prime is 2161850767. The reversal of 2161850732 is 2370581612.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2161850692 and 2161850701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270231338 + ... + 270231345.

It is an arithmetic number, because the mean of its divisors is an integer number (630539798).

Almost surely, 2^2161850732 is an apocalyptic number.

It is an amenable number.

2161850732 is a deficient number, since it is larger than the sum of its proper divisors (1621388056).

2161850732 is a wasteful number, since it uses less digits than its factorization.

2161850732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540462687 (or 540462685 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2161850732 is about 46495.7065974913. The cubic root of 2161850732 is about 1293.0299013312.

The spelling of 2161850732 in words is "two billion, one hundred sixty-one million, eight hundred fifty thousand, seven hundred thirty-two".