2156332233416 has 16 divisors (see below), whose sum is σ = 4043241337740. Its totient is φ = 1078134543360.

The previous prime is 2156332233403. The next prime is 2156332233457. The reversal of 2156332233416 is 6143322336512.

It can be written as a sum of positive squares in 2 ways, for example, as 2145480844516 + 10851388900 = 1464746^2 + 104170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3655145 + ... + 4203896.

Almost surely, 2^{2156332233416} is an apocalyptic number.

It is an amenable number.

2156332233416 is a deficient number, since it is larger than the sum of its proper divisors (1886909104324).

2156332233416 is a wasteful number, since it uses less digits than its factorization.

2156332233416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7893344 (or 7893340 counting only the distinct ones).

The product of its digits is 466560, while the sum is 41.

Adding to 2156332233416 its reverse (6143322336512), we get a palindrome (8299654569928).

The spelling of 2156332233416 in words is "two trillion, one hundred fifty-six billion, three hundred thirty-two million, two hundred thirty-three thousand, four hundred sixteen".