2036656768 has 16 divisors (see below), whose sum is σ = 4057402410. Its totient is φ = 1018328320.

The previous prime is 2036656757. The next prime is 2036656777. The reversal of 2036656768 is 8676566302.

It can be written as a sum of positive squares in only one way, i.e., 1770053184 + 266603584 = 42072^2 + 16328^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7955563 + ... + 7955818.

Almost surely, 2^2036656768 is an apocalyptic number.

It is an amenable number.

2036656768 is a deficient number, since it is larger than the sum of its proper divisors (2020745642).

2036656768 is an equidigital number, since it uses as much as digits as its factorization.

2036656768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15911395 (or 15911383 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 2036656768 is about 45129.3337863523. Note that the first 3 decimals coincide. The cubic root of 2036656768 is about 1267.5719347047.

The spelling of 2036656768 in words is "two billion, thirty-six million, six hundred fifty-six thousand, seven hundred sixty-eight".