160542542421 has 48 divisors (see below), whose sum is σ = 247723627008. Its totient is φ = 100006358400.

The previous prime is 160542542309. The next prime is 160542542437. The reversal of 160542542421 is 124245245061.

160542542421 is a `hidden beast` number, since 1 + 60 + 54 + 2 + 542 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 160542542421 - 2²¹ = 160540445269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160542542471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1292955 + ... + 1411671.

It is an arithmetic number, because the mean of its divisors is an integer number (5160908896).

Almost surely, 2^160542542421 is an apocalyptic number.

It is an amenable number.

160542542421 is a deficient number, since it is larger than the sum of its proper divisors (87181084587).

160542542421 is a wasteful number, since it uses less digits than its factorization.

160542542421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118922 (or 118919 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 160542542421 its reverse (124245245061), we get a palindrome (284787787482).

The spelling of 160542542421 in words is "one hundred sixty billion, five hundred forty-two million, five hundred forty-two thousand, four hundred twenty-one".