161124626 has 16 divisors (see below), whose sum is σ = 261405144. Its totient is φ = 74043264.

The previous prime is 161124619. The next prime is 161124641. The reversal of 161124626 is 626421161.

It can be written as a sum of positive squares in 4 ways, for example, as 122124601 + 39000025 = 11051^2 + 6245^2 .

It is a super-2 number, since 2×161124626² = 51922290207279752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7241 + ... + 19356.

Almost surely, 2^161124626 is an apocalyptic number.

161124626 is a deficient number, since it is larger than the sum of its proper divisors (100280518).

161124626 is a wasteful number, since it uses less digits than its factorization.

161124626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845.

The product of its digits is 3456, while the sum is 29.

The square root of 161124626 is about 12693.4875428308. The cubic root of 161124626 is about 544.1525149974.

Adding to 161124626 its reverse (626421161), we get a palindrome (787545787).

The spelling of 161124626 in words is "one hundred sixty-one million, one hundred twenty-four thousand, six hundred twenty-six".