662664492 has 36 divisors (see below), whose sum is σ = 1914364816. Its totient is φ = 189332640.

The previous prime is 662664491. The next prime is 662664493. The reversal of 662664492 is 294466266.

It is an interprime number because it is at equal distance from previous prime (662664491) and next prime (662664493).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (662664491) 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 in 11 ways as a sum of consecutive naturals, for example, 1314559 + ... + 1315062.

Almost surely, 2^662664492 is an apocalyptic number.

It is an amenable number.

662664492 is an abundant number, since it is smaller than the sum of its proper divisors (1251700324).

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

662664492 is a wasteful number, since it uses less digits than its factorization.

662664492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629638 (or 2629633 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 662664492 is about 25742.2705292288. The cubic root of 662664492 is about 871.8288440976.

The spelling of 662664492 in words is "six hundred sixty-two million, six hundred sixty-four thousand, four hundred ninety-two".