231669486000 has 480 divisors, whose sum is σ = 830412850176. Its totient is φ = 60168000000.

The previous prime is 231669485969. The next prime is 231669486001. The reversal of 231669486000 is 684966132.

231669486000 is a `hidden beast` number, since 2 + 3 + 166 + 9 + 486 + 0 + 0 + 0 = 666.

231669486000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (231669486001) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 212345455 + ... + 212346545.

Almost surely, 2^231669486000 is an apocalyptic number.

231669486000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231669486000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415206425088).

231669486000 is an abundant number, since it is smaller than the sum of its proper divisors (598743364176).

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

231669486000 is a wasteful number, since it uses less digits than its factorization.

231669486000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 231669486000 in words is "two hundred thirty-one billion, six hundred sixty-nine million, four hundred eighty-six thousand".