327142116521 has 16 divisors (see below), whose sum is σ = 378034604928. Its totient is φ = 279789753600.

The previous prime is 327142116517. The next prime is 327142116529. The reversal of 327142116521 is 125611241723.

It is not a de Polignac number, because 327142116521 - 2² = 327142116517 is a prime.

It is a super-2 number, since 2×327142116521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (327142116529) 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, 77876 + ... + 812618.

It is an arithmetic number, because the mean of its divisors is an integer number (23627162808).

Almost surely, 2^327142116521 is an apocalyptic number.

It is an amenable number.

327142116521 is a deficient number, since it is larger than the sum of its proper divisors (50892488407).

327142116521 is a wasteful number, since it uses less digits than its factorization.

327142116521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737152.

The product of its digits is 20160, while the sum is 35.

The spelling of 327142116521 in words is "three hundred twenty-seven billion, one hundred forty-two million, one hundred sixteen thousand, five hundred twenty-one".