161136526 has 8 divisors (see below), whose sum is σ = 242337024. Its totient is φ = 80357520.

The previous prime is 161136467. The next prime is 161136529. The reversal of 161136526 is 625631161.

161136526 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161136526² = 51929960022697352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161136529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104415 + ... + 105946.

It is an arithmetic number, because the mean of its divisors is an integer number (30292128).

Almost surely, 2^161136526 is an apocalyptic number.

161136526 is a deficient number, since it is larger than the sum of its proper divisors (81200498).

161136526 is a wasteful number, since it uses less digits than its factorization.

161136526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210746.

The product of its digits is 6480, while the sum is 31.

The square root of 161136526 is about 12693.9562784815. The cubic root of 161136526 is about 544.1659109540.

Adding to 161136526 its reverse (625631161), we get a palindrome (786767687).

The spelling of 161136526 in words is "one hundred sixty-one million, one hundred thirty-six thousand, five hundred twenty-six".