667462983480 has 256 divisors, whose sum is σ = 2357736336000. Its totient is φ = 167379001344.

The previous prime is 667462983479. The next prime is 667462983487. The reversal of 667462983480 is 84389264766.

667462983480 is a `hidden beast` number, since 6 + 6 + 7 + 4 + 62 + 98 + 3 + 480 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667462983487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22696626 + ... + 22726014.

Almost surely, 2^667462983480 is an apocalyptic number.

667462983480 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 667462983480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178868168000).

667462983480 is an abundant number, since it is smaller than the sum of its proper divisors (1690273352520).

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

667462983480 is a wasteful number, since it uses less digits than its factorization.

667462983480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30663 (or 30653 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 667462983480 in words is "six hundred sixty-seven billion, four hundred sixty-two million, nine hundred eighty-three thousand, four hundred eighty".