161345231614 has 32 divisors (see below), whose sum is σ = 278051751936. Its totient is φ = 68783467680.

The previous prime is 161345231581. The next prime is 161345231623. The reversal of 161345231614 is 416132543161.

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, 4060684 + ... + 4100224.

It is an arithmetic number, because the mean of its divisors is an integer number (8689117248).

Almost surely, 2^161345231614 is an apocalyptic number.

161345231614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161345231614 is a deficient number, since it is larger than the sum of its proper divisors (116706520322).

161345231614 is a wasteful number, since it uses less digits than its factorization.

161345231614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41080.

The product of its digits is 51840, while the sum is 37.

Adding to 161345231614 its reverse (416132543161), we get a palindrome (577477774775).

The spelling of 161345231614 in words is "one hundred sixty-one billion, three hundred forty-five million, two hundred thirty-one thousand, six hundred fourteen".