3666668501670 has 32 divisors (see below), whose sum is σ = 8800057762560. Its totient is φ = 977772338400.

The previous prime is 3666668501593. The next prime is 3666668501677. The reversal of 3666668501670 is 761058666663.

It is a super-2 number, since 2×3666668501670² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666668501677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7185495 + ... + 7678845.

It is an arithmetic number, because the mean of its divisors is an integer number (275001805080).

Almost surely, 2^{3666668501670} is an apocalyptic number.

3666668501670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3666668501670 is an abundant number, since it is smaller than the sum of its proper divisors (5133389260890).

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

3666668501670 is a wasteful number, since it uses less digits than its factorization.

3666668501670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741100.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 3666668501670 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-eight million, five hundred one thousand, six hundred seventy".