537919779594816 has 448 divisors, whose sum is σ = 1598550106383360. Its totient is φ = 177373714452480.

The previous prime is 537919779594811. The next prime is 537919779594823. The reversal of 537919779594816 is 618495977919735.

537919779594816 is a `hidden beast` number, since 5 + 3 + 7 + 9 + 1 + 9 + 7 + 7 + 9 + 594 + 8 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (537919779594811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44875257175 + ... + 44875269161.

Almost surely, 2^{537919779594816} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537919779594816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (799275053191680).

537919779594816 is an abundant number, since it is smaller than the sum of its proper divisors (1060630326788544).

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

537919779594816 is a wasteful number, since it uses less digits than its factorization.

537919779594816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959 (or 12943 counting only the distinct ones).

The product of its digits is 32406091200, while the sum is 90.

The spelling of 537919779594816 in words is "five hundred thirty-seven trillion, nine hundred nineteen billion, seven hundred seventy-nine million, five hundred ninety-four thousand, eight hundred sixteen".