161616150051567 has 4 divisors (see below), whose sum is σ = 215488200068760. Its totient is φ = 107744100034376.

The previous prime is 161616150051529. The next prime is 161616150051569. The reversal of 161616150051567 is 765150051616161.

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 161616150051567 - 2¹⁴ = 161616150035183 is a prime.

It is a super-2 number, since 2×161616150051567² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161616150051569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26936025008592 + ... + 26936025008597.

It is an arithmetic number, because the mean of its divisors is an integer number (53872050017190).

Almost surely, 2^{161616150051567} is an apocalyptic number.

161616150051567 is a deficient number, since it is larger than the sum of its proper divisors (53872050017193).

161616150051567 is an equidigital number, since it uses as much as digits as its factorization.

161616150051567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53872050017192.

The product of its (nonzero) digits is 1134000, while the sum is 51.

The spelling of 161616150051567 in words is "one hundred sixty-one trillion, six hundred sixteen billion, one hundred fifty million, fifty-one thousand, five hundred sixty-seven".