494555018658 has 16 divisors (see below), whose sum is σ = 992958717600. Its totient is φ = 164210226176.

The previous prime is 494555018641. The next prime is 494555018681. The reversal of 494555018658 is 856810555494.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160360008 + ... + 160363091.

It is an arithmetic number, because the mean of its divisors is an integer number (62059919850).

Almost surely, 2^494555018658 is an apocalyptic number.

494555018658 is an abundant number, since it is smaller than the sum of its proper divisors (498403698942).

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

494555018658 is a wasteful number, since it uses less digits than its factorization.

494555018658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320723361.

The product of its (nonzero) digits is 34560000, while the sum is 60.

The spelling of 494555018658 in words is "four hundred ninety-four billion, five hundred fifty-five million, eighteen thousand, six hundred fifty-eight".