3161617655550 has 96 divisors (see below), whose sum is σ = 8332009119072. Its totient is φ = 790639226880.

The previous prime is 3161617655513. The next prime is 3161617655551. The reversal of 3161617655550 is 555567161613.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 3161617655493 and 3161617655502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161617655551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1531647 + ... + 2944346.

It is an arithmetic number, because the mean of its divisors is an integer number (86791761657).

Almost surely, 2^{3161617655550} is an apocalyptic number.

3161617655550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3161617655550 is an abundant number, since it is smaller than the sum of its proper divisors (5170391463522).

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

3161617655550 is a wasteful number, since it uses less digits than its factorization.

3161617655550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476302 (or 4476297 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 51.

The spelling of 3161617655550 in words is "three trillion, one hundred sixty-one billion, six hundred seventeen million, six hundred fifty-five thousand, five hundred fifty".