6851022000 has 80 divisors (see below), whose sum is σ = 22087714272. Its totient is φ = 1826937600.

The previous prime is 6851021993. The next prime is 6851022007. The reversal of 6851022000 is 2201586.

It is an interprime number because it is at equal distance from previous prime (6851021993) and next prime (6851022007).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (6851022007) 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, 564919 + ... + 576918.

Almost surely, 2^6851022000 is an apocalyptic number.

6851022000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6851022000 is an abundant number, since it is smaller than the sum of its proper divisors (15236692272).

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

6851022000 is a wasteful number, since it uses less digits than its factorization.

6851022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141863 (or 1141847 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 6851022000 is about 82770.9006837548. The cubic root of 6851022000 is about 1899.2630567695.

Adding to 6851022000 its reverse (2201586), we get a palindrome (6853223586).

The spelling of 6851022000 in words is "six billion, eight hundred fifty-one million, twenty-two thousand".