16361117 has 4 divisors (see below), whose sum is σ = 16377180. Its totient is φ = 16345056.

The previous prime is 16361101. The next prime is 16361131. The reversal of 16361117 is 71116361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7474756 + 8886361 = 2734^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 16361117 - 2⁴ = 16361101 is a prime.

It is a super-2 number, since 2×16361117² = 535372298975378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16363117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392 + ... + 8577.

It is an arithmetic number, because the mean of its divisors is an integer number (4094295).

Almost surely, 2^16361117 is an apocalyptic number.

It is an amenable number.

16361117 is a deficient number, since it is larger than the sum of its proper divisors (16063).

16361117 is a wasteful number, since it uses less digits than its factorization.

16361117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16062.

The product of its digits is 756, while the sum is 26.

The square root of 16361117 is about 4044.8877611128. The cubic root of 16361117 is about 253.8658694136.

Adding to 16361117 its reverse (71116361), we get a palindrome (87477478).

The spelling of 16361117 in words is "sixteen million, three hundred sixty-one thousand, one hundred seventeen".