3161771805426 has 128 divisors (see below), whose sum is σ = 6889943531520. Its totient is φ = 961514668800.

The previous prime is 3161771805407. The next prime is 3161771805469. The reversal of 3161771805426 is 6245081771613.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2289479256 + ... + 2289480636.

It is an arithmetic number, because the mean of its divisors is an integer number (53827683840).

Almost surely, 2^{3161771805426} is an apocalyptic number.

3161771805426 is an abundant number, since it is smaller than the sum of its proper divisors (3728171726094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161771805426 is a wasteful number, since it uses less digits than its factorization.

3161771805426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 3161771805426 in words is "three trillion, one hundred sixty-one billion, seven hundred seventy-one million, eight hundred five thousand, four hundred twenty-six".