667476000000 has 378 divisors, whose sum is σ = 2405721276686. Its totient is φ = 177984000000.

The previous prime is 667475999959. The next prime is 667476000013. The reversal of 667476000000 is 674766.

667476000000 is a `hidden beast` number, since 6 + 6 + 7 + 47 + 600 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 665934338304 + 1541661696 = 816048^2 + 39264^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 41 ways as a sum of consecutive naturals, for example, 35990730 + ... + 36009270.

Almost surely, 2^667476000000 is an apocalyptic number.

667476000000 is a gapful number since it is divisible by the number (60) 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 667476000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202860638343).

667476000000 is an abundant number, since it is smaller than the sum of its proper divisors (1738245276686).

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

667476000000 is an frugal number, since it uses more digits than its factorization.

667476000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18593 (or 18551 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

Adding to 667476000000 its reverse (674766), we get a palindrome (667476674766).

The spelling of 667476000000 in words is "six hundred sixty-seven billion, four hundred seventy-six million", and thus it is an aban number.