1916232361 has 8 divisors (see below), whose sum is σ = 1946938464. Its totient is φ = 1885588320.

The previous prime is 1916232359. The next prime is 1916232413. The reversal of 1916232361 is 1632326191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1916232361 - 2¹ = 1916232359 is a prime.

It is a super-2 number, since 2×1916232361² = 7343892922687268642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1916232341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48846 + ... + 78856.

It is an arithmetic number, because the mean of its divisors is an integer number (243367308).

Almost surely, 2^1916232361 is an apocalyptic number.

It is an amenable number.

1916232361 is a deficient number, since it is larger than the sum of its proper divisors (30706103).

1916232361 is an equidigital number, since it uses as much as digits as its factorization.

1916232361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031.

The product of its digits is 11664, while the sum is 34.

The square root of 1916232361 is about 43774.7913872813. The cubic root of 1916232361 is about 1242.0794887510.

The spelling of 1916232361 in words is "one billion, nine hundred sixteen million, two hundred thirty-two thousand, three hundred sixty-one".