1667188852220 has 12 divisors (see below), whose sum is σ = 3501096589704. Its totient is φ = 666875540880.

The previous prime is 1667188852213. The next prime is 1667188852229. The reversal of 1667188852220 is 222588817661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667188852229) 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, 41679721286 + ... + 41679721325.

It is an arithmetic number, because the mean of its divisors is an integer number (291758049142).

Almost surely, 2^{1667188852220} is an apocalyptic number.

1667188852220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1667188852220 is an abundant number, since it is smaller than the sum of its proper divisors (1833907737484).

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

1667188852220 is a wasteful number, since it uses less digits than its factorization.

1667188852220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83359442620 (or 83359442618 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 1667188852220 in words is "one trillion, six hundred sixty-seven billion, one hundred eighty-eight million, eight hundred fifty-two thousand, two hundred twenty".