2160786730 has 8 divisors (see below), whose sum is σ = 3889416132. Its totient is φ = 864314688.

The previous prime is 2160786709. The next prime is 2160786731. The reversal of 2160786730 is 376870612.

It can be written as a sum of positive squares in 2 ways, for example, as 1845475681 + 315311049 = 42959^2 + 17757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2160786731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108039327 + ... + 108039346.

Almost surely, 2^2160786730 is an apocalyptic number.

2160786730 is a deficient number, since it is larger than the sum of its proper divisors (1728629402).

2160786730 is a wasteful number, since it uses less digits than its factorization.

2160786730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216078680.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2160786730 is about 46484.2632511262. The cubic root of 2160786730 is about 1292.8177355619.

The spelling of 2160786730 in words is "two billion, one hundred sixty million, seven hundred eighty-six thousand, seven hundred thirty".