3161644506277 has 8 divisors (see below), whose sum is σ = 3247143160856. Its totient is φ = 3076148420352.

The previous prime is 3161644506271. The next prime is 3161644506301. The reversal of 3161644506277 is 7726054461613.

It can be written as a sum of positive squares in 4 ways, for example, as 1652024366721 + 1509620139556 = 1285311^2 + 1228666^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3161644506277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161644506271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997593 + ... + 3211489.

It is an arithmetic number, because the mean of its divisors is an integer number (405892895107).

Almost surely, 2^{3161644506277} is an apocalyptic number.

3161644506277 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3161644506277 is a deficient number, since it is larger than the sum of its proper divisors (85498654579).

3161644506277 is a wasteful number, since it uses less digits than its factorization.

3161644506277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284327.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 3161644506277 in words is "three trillion, one hundred sixty-one billion, six hundred forty-four million, five hundred six thousand, two hundred seventy-seven".