1916201232 has 80 divisors (see below), whose sum is σ = 6000240960. Its totient is φ = 580665600.

The previous prime is 1916201227. The next prime is 1916201237. The reversal of 1916201232 is 2321026191.

1916201232 is a `hidden beast` number, since 1 + 9 + 1 + 620 + 1 + 2 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (1916201227) and next prime (1916201237).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1916201196 and 1916201205.

It is not an unprimeable number, because it can be changed into a prime (1916201237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196869 + ... + 206372.

It is an arithmetic number, because the mean of its divisors is an integer number (75003012).

Almost surely, 2^1916201232 is an apocalyptic number.

1916201232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1916201232 is an abundant number, since it is smaller than the sum of its proper divisors (4084039728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916201232 is a wasteful number, since it uses less digits than its factorization.

1916201232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403269 (or 403257 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1916201232 is about 43774.4358273182. The cubic root of 1916201232 is about 1242.0727628962.

The spelling of 1916201232 in words is "one billion, nine hundred sixteen million, two hundred one thousand, two hundred thirty-two".