161423501614 has 8 divisors (see below), whose sum is σ = 242138206728. Its totient is φ = 80710766040.

The previous prime is 161423501587. The next prime is 161423501621. The reversal of 161423501614 is 416105324161.

161423501614 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 161423501614.

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 3 ways as a sum of consecutive naturals, for example, 266817 + ... + 627724.

It is an arithmetic number, because the mean of its divisors is an integer number (30267275841).

Almost surely, 2^161423501614 is an apocalyptic number.

161423501614 is a deficient number, since it is larger than the sum of its proper divisors (80714705114).

161423501614 is an equidigital number, since it uses as much as digits as its factorization.

161423501614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984770.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 161423501614 its reverse (416105324161), we get a palindrome (577528825775).

The spelling of 161423501614 in words is "one hundred sixty-one billion, four hundred twenty-three million, five hundred one thousand, six hundred fourteen".