161423460527 has 16 divisors (see below), whose sum is σ = 187261294080. Its totient is φ = 136280488608.

The previous prime is 161423460433. The next prime is 161423460553. The reversal of 161423460527 is 725064324161.

161423460527 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 161423460527 - 2¹⁸ = 161423198383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161423468527) 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 15 ways as a sum of consecutive naturals, for example, 4789049 + ... + 4822637.

It is an arithmetic number, because the mean of its divisors is an integer number (11703830880).

Almost surely, 2^161423460527 is an apocalyptic number.

161423460527 is a deficient number, since it is larger than the sum of its proper divisors (25837833553).

161423460527 is a wasteful number, since it uses less digits than its factorization.

161423460527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43910.

The product of its (nonzero) digits is 241920, while the sum is 41.

Adding to 161423460527 its reverse (725064324161), we get a palindrome (886487784688).

It can be divided in two parts, 1614234 and 60527, that added together give a palindrome (1674761).

The spelling of 161423460527 in words is "one hundred sixty-one billion, four hundred twenty-three million, four hundred sixty thousand, five hundred twenty-seven".