494247620164 has 24 divisors (see below), whose sum is σ = 904880971008. Its totient is φ = 235966685760.

The previous prime is 494247620147. The next prime is 494247620221. The reversal of 494247620164 is 461026742494.

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, 32052984 + ... + 32068399.

It is an arithmetic number, because the mean of its divisors is an integer number (37703373792).

Almost surely, 2^494247620164 is an apocalyptic number.

It is an amenable number.

494247620164 is a deficient number, since it is larger than the sum of its proper divisors (410633350844).

494247620164 is a wasteful number, since it uses less digits than its factorization.

494247620164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64121475 (or 64121473 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 494247620164 in words is "four hundred ninety-four billion, two hundred forty-seven million, six hundred twenty thousand, one hundred sixty-four".