16161336146 has 4 divisors (see below), whose sum is σ = 24242004222. Its totient is φ = 8080668072.

The previous prime is 16161336131. The next prime is 16161336187. The reversal of 16161336146 is 64163316161.

16161336146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 13589730625 + 2571605521 = 116575^2 + 50711^2 .

It is a super-2 number, since 2×16161336146² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4040334035 + ... + 4040334038.

Almost surely, 2^16161336146 is an apocalyptic number.

16161336146 is a deficient number, since it is larger than the sum of its proper divisors (8080668076).

16161336146 is an equidigital number, since it uses as much as digits as its factorization.

16161336146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080668075.

The product of its digits is 46656, while the sum is 38.

The spelling of 16161336146 in words is "sixteen billion, one hundred sixty-one million, three hundred thirty-six thousand, one hundred forty-six".