6657260000 has 120 divisors (see below), whose sum is σ = 16760903544. Its totient is φ = 2600640000.

The previous prime is 6657259979. The next prime is 6657260003. The reversal of 6657260000 is 627566.

It is a super-2 number, since 2×6657260000² = 88638221415200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657260003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 856130 + ... + 863870.

Almost surely, 2^6657260000 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 6657260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8380451772).

6657260000 is an abundant number, since it is smaller than the sum of its proper divisors (10103643544).

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

6657260000 is an equidigital number, since it uses as much as digits as its factorization.

6657260000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814 (or 7791 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 6657260000 is about 81592.0339248875. The cubic root of 6657260000 is about 1881.1864398712.

Adding to 6657260000 its reverse (627566), we get a palindrome (6657887566).

The spelling of 6657260000 in words is "six billion, six hundred fifty-seven million, two hundred sixty thousand".