662661016 has 8 divisors (see below), whose sum is σ = 1242489420. Its totient is φ = 331330504.

The previous prime is 662660989. The next prime is 662661017. The reversal of 662661016 is 610166266.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662661017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41416306 + ... + 41416321.

Almost surely, 2^662661016 is an apocalyptic number.

It is an amenable number.

662661016 is a deficient number, since it is larger than the sum of its proper divisors (579828404).

662661016 is a wasteful number, since it uses less digits than its factorization.

662661016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82832633 (or 82832629 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 662661016 is about 25742.2030137283. The cubic root of 662661016 is about 871.8273197051.

The spelling of 662661016 in words is "six hundred sixty-two million, six hundred sixty-one thousand, sixteen".