1916264361 has 32 divisors (see below), whose sum is σ = 3106598400. Its totient is φ = 1035521280.

The previous prime is 1916264333. The next prime is 1916264377. The reversal of 1916264361 is 1634626191.

It is not a de Polignac number, because 1916264361 - 2⁹ = 1916263849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1916264321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79231 + ... + 100548.

It is an arithmetic number, because the mean of its divisors is an integer number (97081200).

Almost surely, 2^1916264361 is an apocalyptic number.

1916264361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1916264361 is a deficient number, since it is larger than the sum of its proper divisors (1190334039).

1916264361 is a wasteful number, since it uses less digits than its factorization.

1916264361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179829.

The product of its digits is 46656, while the sum is 39.

The square root of 1916264361 is about 43775.1568929227. The cubic root of 1916264361 is about 1242.0864027215.

The spelling of 1916264361 in words is "one billion, nine hundred sixteen million, two hundred sixty-four thousand, three hundred sixty-one".