161115334230 has 32 divisors (see below), whose sum is σ = 388911940704. Its totient is φ = 42715740416.

The previous prime is 161115334129. The next prime is 161115334253. The reversal of 161115334230 is 32433511161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15516519 + ... + 15526898.

It is an arithmetic number, because the mean of its divisors is an integer number (12153498147).

Almost surely, 2^161115334230 is an apocalyptic number.

161115334230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161115334230 is an abundant number, since it is smaller than the sum of its proper divisors (227796606474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161115334230 is a wasteful number, since it uses less digits than its factorization.

161115334230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31043600.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 161115334230 its reverse (32433511161), we get a palindrome (193548845391).

The spelling of 161115334230 in words is "one hundred sixty-one billion, one hundred fifteen million, three hundred thirty-four thousand, two hundred thirty".