662947716 has 24 divisors (see below), whose sum is σ = 1547308224. Its totient is φ = 220921120.

The previous prime is 662947693. The next prime is 662947717. The reversal of 662947716 is 617749266.

It is not an unprimeable number, because it can be changed into a prime (662947717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64081 + ... + 73703.

It is an arithmetic number, because the mean of its divisors is an integer number (64471176).

Almost surely, 2^662947716 is an apocalyptic number.

It is an amenable number.

662947716 is an abundant number, since it is smaller than the sum of its proper divisors (884360508).

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

662947716 is a wasteful number, since it uses less digits than its factorization.

662947716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371 (or 15369 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The square root of 662947716 is about 25747.7710879991. The cubic root of 662947716 is about 871.9530334803.

It can be divided in two parts, 6629 and 47716, that added together give a palindrome (54345).

The spelling of 662947716 in words is "six hundred sixty-two million, nine hundred forty-seven thousand, seven hundred sixteen".