16161226 has 16 divisors (see below), whose sum is σ = 25387200. Its totient is φ = 7701408.

The previous prime is 16161209. The next prime is 16161253. The reversal of 16161226 is 62216161.

It is a super-2 number, since 2×16161226² = 522370451646152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16161226.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18385 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (1586700).

Almost surely, 2^16161226 is an apocalyptic number.

16161226 is a deficient number, since it is larger than the sum of its proper divisors (9225974).

16161226 is a wasteful number, since it uses less digits than its factorization.

16161226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its digits is 864, while the sum is 25.

The square root of 16161226 is about 4020.1027350057. The cubic root of 16161226 is about 252.8277663548.

Adding to 16161226 its reverse (62216161), we get a palindrome (78377387).

The spelling of 16161226 in words is "sixteen million, one hundred sixty-one thousand, two hundred twenty-six".