161453210104 has 32 divisors (see below), whose sum is σ = 303926515200. Its totient is φ = 80406376960.

The previous prime is 161453210081. The next prime is 161453210119. The reversal of 161453210104 is 401012354161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027012 + ... + 6053740.

It is an arithmetic number, because the mean of its divisors is an integer number (9497703600).

Almost surely, 2^161453210104 is an apocalyptic number.

It is an amenable number.

161453210104 is a deficient number, since it is larger than the sum of its proper divisors (142473305096).

161453210104 is a wasteful number, since it uses less digits than its factorization.

161453210104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29703 (or 29699 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 161453210104 its reverse (401012354161), we get a palindrome (562465564265).

The spelling of 161453210104 in words is "one hundred sixty-one billion, four hundred fifty-three million, two hundred ten thousand, one hundred four".