662557485 has 16 divisors (see below), whose sum is σ = 1060767936. Its totient is φ = 353138688.

The previous prime is 662557477. The next prime is 662557487. The reversal of 662557485 is 584755266.

It is a happy number.

It is not a de Polignac number, because 662557485 - 2³ = 662557477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662557487) 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 15 ways as a sum of consecutive naturals, for example, 11757 + ... + 38253.

It is an arithmetic number, because the mean of its divisors is an integer number (66297996).

Almost surely, 2^662557485 is an apocalyptic number.

It is an amenable number.

662557485 is a deficient number, since it is larger than the sum of its proper divisors (398210451).

662557485 is a wasteful number, since it uses less digits than its factorization.

662557485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28172.

The product of its digits is 2016000, while the sum is 48.

The square root of 662557485 is about 25740.1920156008. The cubic root of 662557485 is about 871.7819139581.

The spelling of 662557485 in words is "six hundred sixty-two million, five hundred fifty-seven thousand, four hundred eighty-five".