161635461167 has 2 divisors, whose sum is σ = 161635461168. Its totient is φ = 161635461166.

The previous prime is 161635461131. The next prime is 161635461179. The reversal of 161635461167 is 761164536161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161635461167 - 2⁸ = 161635460911 is a prime.

It is a super-3 number, since 3×161635461167³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161635461107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80817730583 + 80817730584.

It is an arithmetic number, because the mean of its divisors is an integer number (80817730584).

Almost surely, 2^161635461167 is an apocalyptic number.

161635461167 is a deficient number, since it is larger than the sum of its proper divisors (1).

161635461167 is an equidigital number, since it uses as much as digits as its factorization.

161635461167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 161635461167 in words is "one hundred sixty-one billion, six hundred thirty-five million, four hundred sixty-one thousand, one hundred sixty-seven".