16361665967 has 4 divisors (see below), whose sum is σ = 16433114520. Its totient is φ = 16290217416.

The previous prime is 16361665951. The next prime is 16361666021. The reversal of 16361665967 is 76956616361.

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

It is a cyclic number.

It is not a de Polignac number, because 16361665967 - 2⁴ = 16361665951 is a prime.

It is a super-2 number, since 2×16361665967² (a number of 21 digits) 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 (16361665907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35723933 + ... + 35724390.

It is an arithmetic number, because the mean of its divisors is an integer number (4108278630).

Almost surely, 2^16361665967 is an apocalyptic number.

16361665967 is a deficient number, since it is larger than the sum of its proper divisors (71448553).

16361665967 is an equidigital number, since it uses as much as digits as its factorization.

16361665967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71448552.

The product of its digits is 7348320, while the sum is 56.

The spelling of 16361665967 in words is "sixteen billion, three hundred sixty-one million, six hundred sixty-five thousand, nine hundred sixty-seven".