662546538 has 12 divisors (see below), whose sum is σ = 1435517538. Its totient is φ = 220848840.

The previous prime is 662546513. The next prime is 662546611. The reversal of 662546538 is 835645266.

662546538 is a `hidden beast` number, since 6 + 62 + 54 + 6 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 510443649 + 152102889 = 22593^2 + 12333^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662546493 and 662546502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18404053 + ... + 18404088.

Almost surely, 2^662546538 is an apocalyptic number.

662546538 is an abundant number, since it is smaller than the sum of its proper divisors (772971000).

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

662546538 is a wasteful number, since it uses less digits than its factorization.

662546538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36808149 (or 36808146 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 662546538 is about 25739.9793706211. The cubic root of 662546538 is about 871.7771126393. Note that the first 3 decimals are identical.

The spelling of 662546538 in words is "six hundred sixty-two million, five hundred forty-six thousand, five hundred thirty-eight".