16161104 has 10 divisors (see below), whose sum is σ = 31312170. Its totient is φ = 8080544.

The previous prime is 16161071. The next prime is 16161107. The reversal of 16161104 is 40116161.

16161104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 1106704 = 3880^2 + 1052^2 .

It is a super-2 number, since 2×16161104² = 522362564997632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505019 + ... + 505050.

It is an arithmetic number, because the mean of its divisors is an integer number (3131217).

Almost surely, 2^16161104 is an apocalyptic number.

It is an amenable number.

16161104 is a deficient number, since it is larger than the sum of its proper divisors (15151066).

16161104 is a wasteful number, since it uses less digits than its factorization.

16161104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010077 (or 1010071 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 16161104 is about 4020.0875612355. The cubic root of 16161104 is about 252.8271301599.

Adding to 16161104 its reverse (40116161), we get a palindrome (56277265).

The spelling of 16161104 in words is "sixteen million, one hundred sixty-one thousand, one hundred four".