16671536020413 has 12 divisors (see below), whose sum is σ = 24081173724348. Its totient is φ = 11114326821120.

The previous prime is 16671536020357. The next prime is 16671536020471. The reversal of 16671536020413 is 31402063517661.

16671536020413 is a `hidden beast` number, since 1 + 6 + 6 + 7 + 153 + 60 + 20 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8023860700164 + 8647675320249 = 2832642^2 + 2940693^2 .

It is not a de Polignac number, because 16671536020413 - 2¹³ = 16671536012221 is a prime.

It is a super-2 number, since 2×16671536020413² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16671536010413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206031 + ... + 5898947.

It is an arithmetic number, because the mean of its divisors is an integer number (2006764477029).

Almost surely, 2^{16671536020413} is an apocalyptic number.

It is an amenable number.

16671536020413 is a deficient number, since it is larger than the sum of its proper divisors (7409637703935).

16671536020413 is a wasteful number, since it uses less digits than its factorization.

16671536020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087644 (or 5087641 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 16671536020413 in words is "sixteen trillion, six hundred seventy-one billion, five hundred thirty-six million, twenty thousand, four hundred thirteen".