501345616004 has 6 divisors (see below), whose sum is σ = 877354828014. Its totient is φ = 250672808000.

The previous prime is 501345615997. The next prime is 501345616061. The reversal of 501345616004 is 400616543105.

It can be written as a sum of positive squares in only one way, i.e., 407924916100 + 93420699904 = 638690^2 + 305648^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62668201997 + ... + 62668202004.

It is an arithmetic number, because the mean of its divisors is an integer number (146225804669).

Almost surely, 2^501345616004 is an apocalyptic number.

It is an amenable number.

501345616004 is a deficient number, since it is larger than the sum of its proper divisors (376009212010).

501345616004 is a wasteful number, since it uses less digits than its factorization.

501345616004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125336404005 (or 125336404003 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 501345616004 in words is "five hundred one billion, three hundred forty-five million, six hundred sixteen thousand, four".