16115352146 has 16 divisors (see below), whose sum is σ = 24952397976. Its totient is φ = 7800097536.

The previous prime is 16115352137. The next prime is 16115352179. The reversal of 16115352146 is 64125351161.

It can be written as a sum of positive squares in 4 ways, for example, as 15665275921 + 450076225 = 125161^2 + 21215^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538151 + ... + 567306.

Almost surely, 2^16115352146 is an apocalyptic number.

16115352146 is a deficient number, since it is larger than the sum of its proper divisors (8837045830).

16115352146 is a wasteful number, since it uses less digits than its factorization.

16115352146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105693.

The product of its digits is 21600, while the sum is 35.

The spelling of 16115352146 in words is "sixteen billion, one hundred fifteen million, three hundred fifty-two thousand, one hundred forty-six".