662131947984 has 80 divisors (see below), whose sum is σ = 1842485865024. Its totient is φ = 203688576000.

The previous prime is 662131947937. The next prime is 662131948003. The reversal of 662131947984 is 489749131266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2814084 + ... + 3040284.

Almost surely, 2^662131947984 is an apocalyptic number.

It is an amenable number.

662131947984 is an abundant number, since it is smaller than the sum of its proper divisors (1180353917040).

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

662131947984 is a wasteful number, since it uses less digits than its factorization.

662131947984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230916 (or 230910 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

It can be divided in two parts, 662131 and 947984, that added together give a triangular number (1610115 = T₁₇₉₄).

The spelling of 662131947984 in words is "six hundred sixty-two billion, one hundred thirty-one million, nine hundred forty-seven thousand, nine hundred eighty-four".