662678682624 has 616 divisors, whose sum is σ = 2348702580960. Its totient is φ = 182766108672.

The previous prime is 662678682599. The next prime is 662678682647. The reversal of 662678682624 is 426286876266.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 151536502 + ... + 151540874.

Almost surely, 2^662678682624 is an apocalyptic number.

662678682624 is a gapful number since it is divisible by the number (64) 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 662678682624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174351290480).

662678682624 is an abundant number, since it is smaller than the sum of its proper divisors (1686023898336).

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

662678682624 is an equidigital number, since it uses as much as digits as its factorization.

662678682624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447 (or 4414 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 63.

The spelling of 662678682624 in words is "six hundred sixty-two billion, six hundred seventy-eight million, six hundred eighty-two thousand, six hundred twenty-four".