501167860601 has 2 divisors, whose sum is σ = 501167860602. Its totient is φ = 501167860600.

The previous prime is 501167860577. The next prime is 501167860639. The reversal of 501167860601 is 106068761105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431537317225 + 69630543376 = 656915^2 + 263876^2 .

It is a cyclic number.

It is not a de Polignac number, because 501167860601 - 2⁶ = 501167860537 is a prime.

It is not a weakly prime, because it can be changed into another prime (501167860651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250583930300 + 250583930301.

It is an arithmetic number, because the mean of its divisors is an integer number (250583930301).

Almost surely, 2^501167860601 is an apocalyptic number.

It is an amenable number.

501167860601 is a deficient number, since it is larger than the sum of its proper divisors (1).

501167860601 is an equidigital number, since it uses as much as digits as its factorization.

501167860601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 501167860601 in words is "five hundred one billion, one hundred sixty-seven million, eight hundred sixty thousand, six hundred one".