161514103115 has 8 divisors (see below), whose sum is σ = 205217919360. Its totient is φ = 121610618752.

The previous prime is 161514103097. The next prime is 161514103117. The reversal of 161514103115 is 511301415161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161514103115 - 2²² = 161509908811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161514103117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950082875 + ... + 950083044.

It is an arithmetic number, because the mean of its divisors is an integer number (25652239920).

Almost surely, 2^161514103115 is an apocalyptic number.

161514103115 is a deficient number, since it is larger than the sum of its proper divisors (43703816245).

161514103115 is a wasteful number, since it uses less digits than its factorization.

161514103115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900165941.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 161514103115 its reverse (511301415161), we get a palindrome (672815518276).

The spelling of 161514103115 in words is "one hundred sixty-one billion, five hundred fourteen million, one hundred three thousand, one hundred fifteen".