6846167640 has 128 divisors (see below), whose sum is σ = 22231661760. Its totient is φ = 1676580864.

The previous prime is 6846167623. The next prime is 6846167651. The reversal of 6846167640 is 467616486.

It is a super-2 number, since 2×6846167640² = 93740022709966339200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6846167640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296182 + ... + 318458.

Almost surely, 2^6846167640 is an apocalyptic number.

6846167640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6846167640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11115830880).

6846167640 is an abundant number, since it is smaller than the sum of its proper divisors (15385494120).

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

6846167640 is a wasteful number, since it uses less digits than its factorization.

6846167640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22501 (or 22497 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 6846167640 is about 82741.5714136491. The cubic root of 6846167640 is about 1898.8143701822.

The spelling of 6846167640 in words is "six billion, eight hundred forty-six million, one hundred sixty-seven thousand, six hundred forty".