537106162717521 has 12 divisors (see below), whose sum is σ = 775820266699140. Its totient is φ = 358070657967360.

The previous prime is 537106162717511. The next prime is 537106162717529. The reversal of 537106162717521 is 125717261601735.

537106162717521 is a `hidden beast` number, since 5 + 3 + 7 + 1 + 0 + 6 + 1 + 627 + 1 + 7 + 5 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 532005250127121 + 5100912590400 = 23065239^2 + 2258520^2 .

It is not a de Polignac number, because 537106162717521 - 2¹⁵ = 537106162684753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (537106162717529) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26260345 + ... + 41997833.

It is an arithmetic number, because the mean of its divisors is an integer number (64651688891595).

Almost surely, 2^{537106162717521} is an apocalyptic number.

It is an amenable number.

537106162717521 is a deficient number, since it is larger than the sum of its proper divisors (238714103981619).

537106162717521 is a wasteful number, since it uses less digits than its factorization.

537106162717521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19529616 (or 19529613 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 537106162717521 in words is "five hundred thirty-seven trillion, one hundred six billion, one hundred sixty-two million, seven hundred seventeen thousand, five hundred twenty-one".