161426654466153 has 4 divisors (see below), whose sum is σ = 215235539288208. Its totient is φ = 107617769644100.

The previous prime is 161426654466151. The next prime is 161426654466167. The reversal of 161426654466153 is 351664456624161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161426654466153 - 2¹ = 161426654466151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161426654466151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26904442411023 + ... + 26904442411028.

It is an arithmetic number, because the mean of its divisors is an integer number (53808884822052).

Almost surely, 2^{161426654466153} is an apocalyptic number.

It is an amenable number.

161426654466153 is a deficient number, since it is larger than the sum of its proper divisors (53808884822055).

161426654466153 is an equidigital number, since it uses as much as digits as its factorization.

161426654466153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53808884822054.

The product of its digits is 74649600, while the sum is 60.

The spelling of 161426654466153 in words is "one hundred sixty-one trillion, four hundred twenty-six billion, six hundred fifty-four million, four hundred sixty-six thousand, one hundred fifty-three".