16046609158685 has 72 divisors (see below), whose sum is σ = 23968596867624. Its totient is φ = 10280532541440.

The previous prime is 16046609158661. The next prime is 16046609158739. The reversal of 16046609158685 is 58685190664061.

It can be written as a sum of positive squares in 12 ways, for example, as 1466148035716 + 14580461122969 = 1210846^2 + 3818437^2 .

It is not a de Polignac number, because 16046609158685 - 2⁴⁰ = 14947097530909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8873165 + ... + 10527405.

It is an arithmetic number, because the mean of its divisors is an integer number (332897178717).

Almost surely, 2^{16046609158685} is an apocalyptic number.

It is an amenable number.

16046609158685 is a deficient number, since it is larger than the sum of its proper divisors (7921987708939).

16046609158685 is a wasteful number, since it uses less digits than its factorization.

16046609158685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654431 (or 1654407 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 65.

The spelling of 16046609158685 in words is "sixteen trillion, forty-six billion, six hundred nine million, one hundred fifty-eight thousand, six hundred eighty-five".