501065156664 has 48 divisors (see below), whose sum is σ = 1357100287920. Its totient is φ = 167015710080.

The previous prime is 501065156633. The next prime is 501065156689. The reversal of 501065156664 is 466651560105.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2183724 + ... + 2402244.

It is an arithmetic number, because the mean of its divisors is an integer number (28272922665).

Almost surely, 2^501065156664 is an apocalyptic number.

It is an amenable number.

501065156664 is an abundant number, since it is smaller than the sum of its proper divisors (856035131256).

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

501065156664 is a wasteful number, since it uses less digits than its factorization.

501065156664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250380 (or 250373 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 501065156664 in words is "five hundred one billion, sixty-five million, one hundred fifty-six thousand, six hundred sixty-four".