662554076546 has 4 divisors (see below), whose sum is σ = 993831114822. Its totient is φ = 331277038272.

The previous prime is 662554076533. The next prime is 662554076581. The reversal of 662554076546 is 645670455266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645670455266 = 2 ⋅322835227633.

It can be written as a sum of positive squares in only one way, i.e., 641496874225 + 21057202321 = 800935^2 + 145111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662554076491 and 662554076500.

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 as a sum of consecutive naturals, namely, 165638519135 + ... + 165638519138.

Almost surely, 2^662554076546 is an apocalyptic number.

662554076546 is a deficient number, since it is larger than the sum of its proper divisors (331277038276).

662554076546 is a wasteful number, since it uses less digits than its factorization.

662554076546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331277038275.

The product of its (nonzero) digits is 36288000, while the sum is 56.

The spelling of 662554076546 in words is "six hundred sixty-two billion, five hundred fifty-four million, seventy-six thousand, five hundred forty-six".