16161726 has 32 divisors (see below), whose sum is σ = 38135808. Its totient is φ = 4468320.

The previous prime is 16161653. The next prime is 16161727. The reversal of 16161726 is 62716161.

It is a super-2 number, since 2×16161726² = 522402774598152, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16161693 and 16161702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161727) 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 15 ways as a sum of consecutive naturals, for example, 4905 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (1191744).

Almost surely, 2^16161726 is an apocalyptic number.

16161726 is an abundant number, since it is smaller than the sum of its proper divisors (21974082).

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

16161726 is a wasteful number, since it uses less digits than its factorization.

16161726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456.

The product of its digits is 3024, while the sum is 30.

The square root of 16161726 is about 4020.1649219901. The cubic root of 16161726 is about 252.8303736772.

Adding to 16161726 its reverse (62716161), we get a palindrome (78877887).

The spelling of 16161726 in words is "sixteen million, one hundred sixty-one thousand, seven hundred twenty-six".