21160132423342 has 64 divisors (see below), whose sum is σ = 36312867440640. Its totient is φ = 9160548710400.

The previous prime is 21160132423327. The next prime is 21160132423343. The reversal of 21160132423342 is 24332423106112.

It is a junction number, because it is equal to n+sod(n) for n = 21160132423298 and 21160132423307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160132423343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10948098 + ... + 12735034.

It is an arithmetic number, because the mean of its divisors is an integer number (567388553760).

Almost surely, 2^{21160132423342} is an apocalyptic number.

21160132423342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21160132423342 is a deficient number, since it is larger than the sum of its proper divisors (15152735017298).

21160132423342 is a wasteful number, since it uses less digits than its factorization.

21160132423342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787257.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 21160132423342 its reverse (24332423106112), we get a palindrome (45492555529454).

The spelling of 21160132423342 in words is "twenty-one trillion, one hundred sixty billion, one hundred thirty-two million, four hundred twenty-three thousand, three hundred forty-two".