2156767276 has 6 divisors (see below), whose sum is σ = 3774342740. Its totient is φ = 1078383636.

The previous prime is 2156767267. The next prime is 2156767289. The reversal of 2156767276 is 6727676512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269595906 + ... + 269595913.

Almost surely, 2^2156767276 is an apocalyptic number.

It is an amenable number.

2156767276 is a deficient number, since it is larger than the sum of its proper divisors (1617575464).

2156767276 is a wasteful number, since it uses less digits than its factorization.

2156767276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539191823 (or 539191821 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The square root of 2156767276 is about 46441.0085592464. The cubic root of 2156767276 is about 1292.0156130796.

The spelling of 2156767276 in words is "two billion, one hundred fifty-six million, seven hundred sixty-seven thousand, two hundred seventy-six".