6896155220 has 54 divisors (see below), whose sum is σ = 14989178106. Its totient is φ = 2665022880.

The previous prime is 6896155219. The next prime is 6896155271. The reversal of 6896155220 is 225516986.

It can be written as a sum of positive squares in only one way, i.e., 5516924176 + 1379231044 = 74276^2 + 37138^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11512481 + ... + 11513079.

Almost surely, 2^6896155220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6896155220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7494589053).

6896155220 is an abundant number, since it is smaller than the sum of its proper divisors (8093022886).

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

6896155220 is an equidigital number, since it uses as much as digits as its factorization.

6896155220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 6896155220 is about 83043.0925483872. The cubic root of 6896155220 is about 1903.4245919856.

The spelling of 6896155220 in words is "six billion, eight hundred ninety-six million, one hundred fifty-five thousand, two hundred twenty".