16181097 has 8 divisors (see below), whose sum is σ = 21618144. Its totient is φ = 10765728.

The previous prime is 16181071. The next prime is 16181117. The reversal of 16181097 is 79018161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16181097 - 2⁸ = 16180841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16181057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (2702268).

Almost surely, 2^16181097 is an apocalyptic number.

It is an amenable number.

16181097 is a deficient number, since it is larger than the sum of its proper divisors (5437047).

16181097 is a wasteful number, since it uses less digits than its factorization.

16181097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10839.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 16181097 is about 4022.5734300321. The cubic root of 16181097 is about 252.9313451899.

The spelling of 16181097 in words is "sixteen million, one hundred eighty-one thousand, ninety-seven".