1864257116 has 6 divisors (see below), whose sum is σ = 3262449960. Its totient is φ = 932128556.

The previous prime is 1864257113. The next prime is 1864257133. The reversal of 1864257116 is 6117524681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1864257113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233032136 + ... + 233032143.

It is an arithmetic number, because the mean of its divisors is an integer number (543741660).

Almost surely, 2^1864257116 is an apocalyptic number.

It is an amenable number.

1864257116 is a deficient number, since it is larger than the sum of its proper divisors (1398192844).

1864257116 is a wasteful number, since it uses less digits than its factorization.

1864257116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466064283 (or 466064281 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 1864257116 is about 43177.0438543446. The cubic root of 1864257116 is about 1230.7464823372.

The spelling of 1864257116 in words is "one billion, eight hundred sixty-four million, two hundred fifty-seven thousand, one hundred sixteen".