161614963 has 2 divisors, whose sum is σ = 161614964. Its totient is φ = 161614962.

The previous prime is 161614949. The next prime is 161615017. The reversal of 161614963 is 369416161.

It is a weak prime.

It is an emirp because it is prime and its reverse (369416161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161614963 - 2⁹ = 161614451 is a prime.

It is a super-3 number, since 3×161614963³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (161614913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80807481 + 80807482.

It is an arithmetic number, because the mean of its divisors is an integer number (80807482).

Almost surely, 2^161614963 is an apocalyptic number.

161614963 is a deficient number, since it is larger than the sum of its proper divisors (1).

161614963 is an equidigital number, since it uses as much as digits as its factorization.

161614963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 161614963 is about 12712.7873812158. The cubic root of 161614963 is about 544.7039471679.

The spelling of 161614963 in words is "one hundred sixty-one million, six hundred fourteen thousand, nine hundred sixty-three".