6685416740976 has 40 divisors (see below), whose sum is σ = 17271103328640. Its totient is φ = 2228415032256.

The previous prime is 6685416740963. The next prime is 6685416741007. The reversal of 6685416740976 is 6790476145866.

It is a super-2 number, since 2×6685416740976² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6685416740976.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 122115 + ... + 3658653.

It is an arithmetic number, because the mean of its divisors is an integer number (431777583216).

Almost surely, 2^{6685416740976} is an apocalyptic number.

It is an amenable number.

6685416740976 is an abundant number, since it is smaller than the sum of its proper divisors (10585686587664).

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

6685416740976 is a wasteful number, since it uses less digits than its factorization.

6685416740976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575933 (or 3575927 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 69.

The spelling of 6685416740976 in words is "six trillion, six hundred eighty-five billion, four hundred sixteen million, seven hundred forty thousand, nine hundred seventy-six".