242132164581 has 16 divisors (see below), whose sum is σ = 324041281920. Its totient is φ = 160822421760.

The previous prime is 242132164541. The next prime is 242132164583. The reversal of 242132164581 is 185461231242.

It is not a de Polignac number, because 242132164581 - 2¹⁰ = 242132163557 is a prime.

It is a super-2 number, since 2×242132164581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242132164583) 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, 6733656 + ... + 6769518.

It is an arithmetic number, because the mean of its divisors is an integer number (20252580120).

Almost surely, 2^242132164581 is an apocalyptic number.

It is an amenable number.

242132164581 is a deficient number, since it is larger than the sum of its proper divisors (81909117339).

242132164581 is a wasteful number, since it uses less digits than its factorization.

242132164581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44156.

The product of its digits is 92160, while the sum is 39.

The spelling of 242132164581 in words is "two hundred forty-two billion, one hundred thirty-two million, one hundred sixty-four thousand, five hundred eighty-one".