389366166672 has 180 divisors, whose sum is σ = 1293188647296. Its totient is φ = 111247266240.

The previous prime is 389366166667. The next prime is 389366166677. The reversal of 389366166672 is 276661663983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (389366166667) and next prime (389366166677).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (389366166677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 469897 + ... + 999767.

Almost surely, 2^389366166672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389366166672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646594323648).

389366166672 is an abundant number, since it is smaller than the sum of its proper divisors (903822480624).

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

389366166672 is an frugal number, since it uses more digits than its factorization.

389366166672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529910 (or 529883 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The spelling of 389366166672 in words is "three hundred eighty-nine billion, three hundred sixty-six million, one hundred sixty-six thousand, six hundred seventy-two".