1853163872 has 48 divisors (see below), whose sum is σ = 4173990912. Its totient is φ = 793380480.

The previous prime is 1853163847. The next prime is 1853163899. The reversal of 1853163872 is 2783613581.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240593 + ... + 248175.

It is an arithmetic number, because the mean of its divisors is an integer number (86958144).

Almost surely, 2^1853163872 is an apocalyptic number.

It is an amenable number.

1853163872 is an abundant number, since it is smaller than the sum of its proper divisors (2320827040).

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

1853163872 is a wasteful number, since it uses less digits than its factorization.

1853163872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8691 (or 8683 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1853163872 is about 43048.3898885893. The cubic root of 1853163872 is about 1228.3004424968.

The spelling of 1853163872 in words is "one billion, eight hundred fifty-three million, one hundred sixty-three thousand, eight hundred seventy-two".