498666556 has 12 divisors (see below), whose sum is σ = 875169400. Its totient is φ = 248618160.

The previous prime is 498666541. The next prime is 498666557. The reversal of 498666556 is 655666894.

It is a super-2 number, since 2×498666556² = 497336668145802272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 498666497 and 498666506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498666557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177210 + ... + 180001.

Almost surely, 2^498666556 is an apocalyptic number.

It is an amenable number.

498666556 is a deficient number, since it is larger than the sum of its proper divisors (376502844).

498666556 is a wasteful number, since it uses less digits than its factorization.

498666556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357564 (or 357562 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 55.

The square root of 498666556 is about 22330.8431547042. The cubic root of 498666556 is about 792.9943276915.

The spelling of 498666556 in words is "four hundred ninety-eight million, six hundred sixty-six thousand, five hundred fifty-six".