161423460526 has 8 divisors (see below), whose sum is σ = 256378437360. Its totient is φ = 75963981408.

The previous prime is 161423460433. The next prime is 161423460553. The reversal of 161423460526 is 625064324161.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373874386 + ... + 2373874453.

It is an arithmetic number, because the mean of its divisors is an integer number (32047304670).

Almost surely, 2^161423460526 is an apocalyptic number.

161423460526 is a deficient number, since it is larger than the sum of its proper divisors (94954976834).

161423460526 is a wasteful number, since it uses less digits than its factorization.

161423460526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747748858.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 161423460526 its reverse (625064324161), we get a palindrome (786487784687).

The spelling of 161423460526 in words is "one hundred sixty-one billion, four hundred twenty-three million, four hundred sixty thousand, five hundred twenty-six".