497168155138 has 16 divisors (see below), whose sum is σ = 763814219904. Its totient is φ = 242593900240.

The previous prime is 497168155111. The next prime is 497168155151. The reversal of 497168155138 is 831551861794.

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, 7588453 + ... + 7653688.

It is an arithmetic number, because the mean of its divisors is an integer number (47738388744).

Almost surely, 2^497168155138 is an apocalyptic number.

497168155138 is a deficient number, since it is larger than the sum of its proper divisors (266646064766).

497168155138 is a wasteful number, since it uses less digits than its factorization.

497168155138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242537.

The product of its digits is 7257600, while the sum is 58.

The spelling of 497168155138 in words is "four hundred ninety-seven billion, one hundred sixty-eight million, one hundred fifty-five thousand, one hundred thirty-eight".