501957966768 has 40 divisors (see below), whose sum is σ = 1296987273216. Its totient is φ = 167285448000.

The previous prime is 501957966761. The next prime is 501957966773. The reversal of 501957966768 is 867669759105.

It is not an unprimeable number, because it can be changed into a prime (501957966761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818448 + ... + 1293743.

Almost surely, 2^501957966768 is an apocalyptic number.

It is an amenable number.

501957966768 is an abundant number, since it is smaller than the sum of its proper divisors (795029306448).

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

501957966768 is a wasteful number, since it uses less digits than its factorization.

501957966768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117153 (or 2117147 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 69.

The spelling of 501957966768 in words is "five hundred one billion, nine hundred fifty-seven million, nine hundred sixty-six thousand, seven hundred sixty-eight".