501613774041366 has 112 divisors (see below), whose sum is σ = 1294031679994368. Its totient is φ = 142789370842800.

The previous prime is 501613774041353. The next prime is 501613774041377. The reversal of 501613774041366 is 663140477316105.

501613774041366 is a `hidden beast` number, since 5 + 0 + 1 + 61 + 3 + 77 + 40 + 413 + 66 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 87914820 + ... + 93446471.

It is an arithmetic number, because the mean of its divisors is an integer number (11553854285664).

Almost surely, 2^{501613774041366} is an apocalyptic number.

501613774041366 is an abundant number, since it is smaller than the sum of its proper divisors (792417905953002).

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

501613774041366 is a wasteful number, since it uses less digits than its factorization.

501613774041366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181361589 (or 181361574 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 501613774041366 in words is "five hundred one trillion, six hundred thirteen billion, seven hundred seventy-four million, forty-one thousand, three hundred sixty-six".