6687341520 has 80 divisors (see below), whose sum is σ = 21291077760. Its totient is φ = 1735091712.

The previous prime is 6687341503. The next prime is 6687341537. The reversal of 6687341520 is 251437866.

It is an interprime number because it is at equal distance from previous prime (6687341503) and next prime (6687341537).

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

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 15 ways as a sum of consecutive naturals, for example, 367660 + ... + 385419.

It is an arithmetic number, because the mean of its divisors is an integer number (266138472).

Almost surely, 2^6687341520 is an apocalyptic number.

6687341520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6687341520 is an abundant number, since it is smaller than the sum of its proper divisors (14603736240).

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

6687341520 is a wasteful number, since it uses less digits than its factorization.

6687341520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753132 (or 753126 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 6687341520 is about 81776.1671882462. The cubic root of 6687341520 is about 1884.0156281807.

The spelling of 6687341520 in words is "six billion, six hundred eighty-seven million, three hundred forty-one thousand, five hundred twenty".