1916262265 has 16 divisors (see below), whose sum is σ = 2314106496. Its totient is φ = 1523315200.

The previous prime is 1916262221. The next prime is 1916262281. The reversal of 1916262265 is 5622626191.

It is not a de Polignac number, because 1916262265 - 2⁷ = 1916262137 is a prime.

It is a super-2 number, since 2×1916262265² = 7344122136525860450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547170 + ... + 550660.

It is an arithmetic number, because the mean of its divisors is an integer number (144631656).

Almost surely, 2^1916262265 is an apocalyptic number.

It is an amenable number.

1916262265 is a deficient number, since it is larger than the sum of its proper divisors (397844231).

1916262265 is a wasteful number, since it uses less digits than its factorization.

1916262265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its digits is 77760, while the sum is 40.

The square root of 1916262265 is about 43775.1329523966. The cubic root of 1916262265 is about 1242.0859498588.

The spelling of 1916262265 in words is "one billion, nine hundred sixteen million, two hundred sixty-two thousand, two hundred sixty-five".