161448306485 has 16 divisors (see below), whose sum is σ = 205411982400. Its totient is φ = 121396536576.

The previous prime is 161448306479. The next prime is 161448306499. The reversal of 161448306485 is 584603844161.

161448306485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 161448306485 - 2¹⁶ = 161448240949 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1222295 + ... + 1347924.

It is an arithmetic number, because the mean of its divisors is an integer number (12838248900).

Almost surely, 2^161448306485 is an apocalyptic number.

It is an amenable number.

161448306485 is a deficient number, since it is larger than the sum of its proper divisors (43963675915).

161448306485 is a wasteful number, since it uses less digits than its factorization.

161448306485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570980.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 161448306485 in words is "one hundred sixty-one billion, four hundred forty-eight million, three hundred six thousand, four hundred eighty-five".