161534310104 has 16 divisors (see below), whose sum is σ = 302972093520. Its totient is φ = 80741751840.

The previous prime is 161534310103. The next prime is 161534310173. The reversal of 161534310104 is 401013435161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161534310101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148364 + ... + 3199259.

It is an arithmetic number, because the mean of its divisors is an integer number (18935755845).

Almost surely, 2^161534310104 is an apocalyptic number.

It is an amenable number.

161534310104 is a deficient number, since it is larger than the sum of its proper divisors (141437783416).

161534310104 is a wasteful number, since it uses less digits than its factorization.

161534310104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350810 (or 6350806 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 161534310104 its reverse (401013435161), we get a palindrome (562547745265).

The spelling of 161534310104 in words is "one hundred sixty-one billion, five hundred thirty-four million, three hundred ten thousand, one hundred four".