498666555 has 36 divisors (see below), whose sum is σ = 874801200. Its totient is φ = 262779264.

The previous prime is 498666541. The next prime is 498666557. The reversal of 498666555 is 555666894.

It is not a de Polignac number, because 498666555 - 2⁵ = 498666523 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 355746 + ... + 357144.

Almost surely, 2^498666555 is an apocalyptic number.

498666555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

498666555 is a deficient number, since it is larger than the sum of its proper divisors (376134645).

498666555 is a wasteful number, since it uses less digits than its factorization.

498666555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1496 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The square root of 498666555 is about 22330.8431323137. The cubic root of 498666555 is about 792.9943271614.

The spelling of 498666555 in words is "four hundred ninety-eight million, six hundred sixty-six thousand, five hundred fifty-five".