161452523308 has 6 divisors (see below), whose sum is σ = 282541915796. Its totient is φ = 80726261652.

The previous prime is 161452523293. The next prime is 161452523317. The reversal of 161452523308 is 803325254161.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20181565410 + ... + 20181565417.

Almost surely, 2^161452523308 is an apocalyptic number.

It is an amenable number.

161452523308 is a deficient number, since it is larger than the sum of its proper divisors (121089392488).

161452523308 is a wasteful number, since it uses less digits than its factorization.

161452523308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40363130831 (or 40363130829 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 161452523308 its reverse (803325254161), we get a palindrome (964777777469).

The spelling of 161452523308 in words is "one hundred sixty-one billion, four hundred fifty-two million, five hundred twenty-three thousand, three hundred eight".