1791956216 has 16 divisors (see below), whose sum is σ = 3431406240. Its totient is φ = 876914560.

The previous prime is 1791956203. The next prime is 1791956227. The reversal of 1791956216 is 6126591971.

It is a super-2 number, since 2×1791956216² = 6422214160122077312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382545 + ... + 2383296.

It is an arithmetic number, because the mean of its divisors is an integer number (214462890).

Almost surely, 2^1791956216 is an apocalyptic number.

It is an amenable number.

1791956216 is a deficient number, since it is larger than the sum of its proper divisors (1639450024).

1791956216 is a wasteful number, since it uses less digits than its factorization.

1791956216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765894 (or 4765890 counting only the distinct ones).

The product of its digits is 204120, while the sum is 47.

The square root of 1791956216 is about 42331.5038239843. The cubic root of 1791956216 is about 1214.6256962581.

The spelling of 1791956216 in words is "one billion, seven hundred ninety-one million, nine hundred fifty-six thousand, two hundred sixteen".