663679062 has 64 divisors (see below), whose sum is σ = 1543557120. Its totient is φ = 211118400.

The previous prime is 663679043. The next prime is 663679067. The reversal of 663679062 is 260976366.

663679062 is a `hidden beast` number, since 6 + 636 + 7 + 9 + 0 + 6 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 663678999 and 663679017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663679067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119487 + ... + 124917.

It is an arithmetic number, because the mean of its divisors is an integer number (24118080).

Almost surely, 2^663679062 is an apocalyptic number.

663679062 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 663679062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771778560).

663679062 is an abundant number, since it is smaller than the sum of its proper divisors (879878058).

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

663679062 is a wasteful number, since it uses less digits than its factorization.

663679062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546 (or 5540 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 663679062 is about 25761.9692958438. The cubic root of 663679062 is about 872.2735539848.

The spelling of 663679062 in words is "six hundred sixty-three million, six hundred seventy-nine thousand, sixty-two".