504611426161 has 8 divisors (see below), whose sum is σ = 518297134184. Its totient is φ = 490928221440.

The previous prime is 504611426101. The next prime is 504611426177. The reversal of 504611426161 is 161624116405.

It can be written as a sum of positive squares in 4 ways, for example, as 16143227136 + 488468199025 = 127056^2 + 698905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504611426161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504611426161.

It is not an unprimeable number, because it can be changed into a prime (504611426101) 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, 213570 + ... + 1027051.

It is an arithmetic number, because the mean of its divisors is an integer number (64787141773).

Almost surely, 2^504611426161 is an apocalyptic number.

It is an amenable number.

504611426161 is a deficient number, since it is larger than the sum of its proper divisors (13685708023).

504611426161 is a wasteful number, since it uses less digits than its factorization.

504611426161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251651.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 504611426161 in words is "five hundred four billion, six hundred eleven million, four hundred twenty-six thousand, one hundred sixty-one".