502354978066 has 16 divisors (see below), whose sum is σ = 765042927264. Its totient is φ = 247351372704.

The previous prime is 502354978039. The next prime is 502354978109. The reversal of 502354978066 is 660879453205.

It is a super-2 number, since 2×502354978066² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 502354977998 and 502354978016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581696 + ... + 2769451.

It is an arithmetic number, because the mean of its divisors is an integer number (47815182954).

Almost surely, 2^502354978066 is an apocalyptic number.

502354978066 is a deficient number, since it is larger than the sum of its proper divisors (262687949198).

502354978066 is a wasteful number, since it uses less digits than its factorization.

502354978066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351865.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 502354978066 in words is "five hundred two billion, three hundred fifty-four million, nine hundred seventy-eight thousand, sixty-six".