20160731523741 has 16 divisors (see below), whose sum is σ = 26952385412160. Its totient is φ = 13404783934080.

The previous prime is 20160731523727. The next prime is 20160731523761. The reversal of 20160731523741 is 14732513706102.

It is not a de Polignac number, because 20160731523741 - 2¹³ = 20160731515549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20160731523693 and 20160731523702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160731523761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81673681 + ... + 81920153.

It is an arithmetic number, because the mean of its divisors is an integer number (1684524088260).

Almost surely, 2^{20160731523741} is an apocalyptic number.

It is an amenable number.

20160731523741 is a deficient number, since it is larger than the sum of its proper divisors (6791653888419).

20160731523741 is a wasteful number, since it uses less digits than its factorization.

20160731523741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318796.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 20160731523741 in words is "twenty trillion, one hundred sixty billion, seven hundred thirty-one million, five hundred twenty-three thousand, seven hundred forty-one".