6694521465960 has 320 divisors, whose sum is σ = 23143700162880. Its totient is φ = 1734647685120.

The previous prime is 6694521465923. The next prime is 6694521465971. The reversal of 6694521465960 is 695641254966.

6694521465960 is a `hidden beast` number, since 6 + 6 + 9 + 4 + 521 + 46 + 5 + 9 + 60 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26764275 + ... + 27013245.

It is an arithmetic number, because the mean of its divisors is an integer number (72324063009).

Almost surely, 2^{6694521465960} is an apocalyptic number.

6694521465960 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 6694521465960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11571850081440).

6694521465960 is an abundant number, since it is smaller than the sum of its proper divisors (16449178696920).

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

6694521465960 is a wasteful number, since it uses less digits than its factorization.

6694521465960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249230 (or 249217 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 6694521465960 in words is "six trillion, six hundred ninety-four billion, five hundred twenty-one million, four hundred sixty-five thousand, nine hundred sixty".