6850188720 has 60 divisors (see below), whose sum is σ = 23005219536. Its totient is φ = 1826716800.

The previous prime is 6850188713. The next prime is 6850188721. The reversal of 6850188720 is 278810586.

6850188720 is a `hidden beast` number, since 68 + 501 + 8 + 87 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6850188721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4756356 + ... + 4757795.

Almost surely, 2^6850188720 is an apocalyptic number.

6850188720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6850188720 is an abundant number, since it is smaller than the sum of its proper divisors (16155030816).

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

6850188720 is a wasteful number, since it uses less digits than its factorization.

6850188720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514170 (or 9514161 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 6850188720 is about 82765.8668775963. The cubic root of 6850188720 is about 1899.1860520984.

The spelling of 6850188720 in words is "six billion, eight hundred fifty million, one hundred eighty-eight thousand, seven hundred twenty".