1916297356 has 6 divisors (see below), whose sum is σ = 3353520380. Its totient is φ = 958148676.

The previous prime is 1916297353. The next prime is 1916297393. The reversal of 1916297356 is 6537926191.

It is a super-2 number, since 2×1916297356² = 7344391113225181472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1916297353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239537166 + ... + 239537173.

Almost surely, 2^1916297356 is an apocalyptic number.

It is an amenable number.

1916297356 is a deficient number, since it is larger than the sum of its proper divisors (1437223024).

1916297356 is a wasteful number, since it uses less digits than its factorization.

1916297356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479074343 (or 479074341 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 1916297356 is about 43775.5337603095. The cubic root of 1916297356 is about 1242.0935315928.

The spelling of 1916297356 in words is "one billion, nine hundred sixteen million, two hundred ninety-seven thousand, three hundred fifty-six".