6851872152 has 48 divisors (see below), whose sum is σ = 18988724040. Its totient is φ = 2230841088.

The previous prime is 6851872147. The next prime is 6851872177. The reversal of 6851872152 is 2512781586.

6851872152 is a `hidden beast` number, since 68 + 518 + 7 + 21 + 52 = 666.

It is a super-2 number, since 2×6851872152² = 93896303974706222208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6851872098 and 6851872107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1103473 + ... + 1109664.

Almost surely, 2^6851872152 is an apocalyptic number.

It is an amenable number.

6851872152 is an abundant number, since it is smaller than the sum of its proper divisors (12136851888).

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

6851872152 is a wasteful number, since it uses less digits than its factorization.

6851872152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213192 (or 2213185 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The square root of 6851872152 is about 82776.0360974117. The cubic root of 6851872152 is about 1899.3416141732.

The spelling of 6851872152 in words is "six billion, eight hundred fifty-one million, eight hundred seventy-two thousand, one hundred fifty-two".