6161986854177 has 64 divisors (see below), whose sum is σ = 10691124111360. Its totient is φ = 3064034188800.

The previous prime is 6161986854169. The next prime is 6161986854217. The reversal of 6161986854177 is 7714586891616.

It is not a de Polignac number, because 6161986854177 - 2³ = 6161986854169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6161986854377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5635927 + ... + 6639852.

It is an arithmetic number, because the mean of its divisors is an integer number (167048814240).

Almost surely, 2^{6161986854177} is an apocalyptic number.

It is an amenable number.

6161986854177 is a deficient number, since it is larger than the sum of its proper divisors (4529137257183).

6161986854177 is a wasteful number, since it uses less digits than its factorization.

6161986854177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275894.

The product of its digits is 121927680, while the sum is 69.

The spelling of 6161986854177 in words is "six trillion, one hundred sixty-one billion, nine hundred eighty-six million, eight hundred fifty-four thousand, one hundred seventy-seven".