161413626 has 64 divisors (see below), whose sum is σ = 374814720. Its totient is φ = 45826560.

The previous prime is 161413619. The next prime is 161413633. The reversal of 161413626 is 626314161.

It is an interprime number because it is at equal distance from previous prime (161413619) and next prime (161413633).

It is a junction number, because it is equal to n+sod(n) for n = 161413593 and 161413602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120975 + ... + 122301.

It is an arithmetic number, because the mean of its divisors is an integer number (5856480).

Almost surely, 2^161413626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161413626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187407360).

161413626 is an abundant number, since it is smaller than the sum of its proper divisors (213401094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161413626 is a wasteful number, since it uses less digits than its factorization.

161413626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its digits is 5184, while the sum is 30.

The square root of 161413626 is about 12704.8662330620. The cubic root of 161413626 is about 544.4776590624.

Adding to 161413626 its reverse (626314161), we get a palindrome (787727787).

The spelling of 161413626 in words is "one hundred sixty-one million, four hundred thirteen thousand, six hundred twenty-six".