6685665705754 has 8 divisors (see below), whose sum is σ = 11461141209888. Its totient is φ = 2865285302460.

The previous prime is 6685665705673. The next prime is 6685665705757. The reversal of 6685665705754 is 4575075665866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6685665705757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238773775192 + ... + 238773775219.

It is an arithmetic number, because the mean of its divisors is an integer number (1432642651236).

Almost surely, 2^{6685665705754} is an apocalyptic number.

6685665705754 is a deficient number, since it is larger than the sum of its proper divisors (4775475504134).

6685665705754 is a wasteful number, since it uses less digits than its factorization.

6685665705754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477547550420.

The product of its (nonzero) digits is 1270080000, while the sum is 70.

The spelling of 6685665705754 in words is "six trillion, six hundred eighty-five billion, six hundred sixty-five million, seven hundred five thousand, seven hundred fifty-four".