161424865982153 has 2 divisors, whose sum is σ = 161424865982154. Its totient is φ = 161424865982152.

The previous prime is 161424865982137. The next prime is 161424865982173. The reversal of 161424865982153 is 351289568424161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112286490427024 + 49138375555129 = 10596532^2 + 7009877^2 .

It is a cyclic number.

It is not a de Polignac number, because 161424865982153 - 2⁴ = 161424865982137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161424865982153.

It is not a weakly prime, because it can be changed into another prime (161424865982173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80712432991076 + 80712432991077.

It is an arithmetic number, because the mean of its divisors is an integer number (80712432991077).

Almost surely, 2^{161424865982153} is an apocalyptic number.

It is an amenable number.

161424865982153 is a deficient number, since it is larger than the sum of its proper divisors (1).

161424865982153 is an equidigital number, since it uses as much as digits as its factorization.

161424865982153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99532800, while the sum is 65.

The spelling of 161424865982153 in words is "one hundred sixty-one trillion, four hundred twenty-four billion, eight hundred sixty-five million, nine hundred eighty-two thousand, one hundred fifty-three".