3161244432066 has 128 divisors (see below), whose sum is σ = 7309218318336. Its totient is φ = 892835274240.

The previous prime is 3161244432041. The next prime is 3161244432107. The reversal of 3161244432066 is 6602344421613.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2206031686 + ... + 2206033118.

It is an arithmetic number, because the mean of its divisors is an integer number (57103268112).

Almost surely, 2^{3161244432066} is an apocalyptic number.

3161244432066 is an abundant number, since it is smaller than the sum of its proper divisors (4147973886270).

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

3161244432066 is a wasteful number, since it uses less digits than its factorization.

3161244432066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 3161244432066 its reverse (6602344421613), we get a palindrome (9763588853679).

The spelling of 3161244432066 in words is "three trillion, one hundred sixty-one billion, two hundred forty-four million, four hundred thirty-two thousand, sixty-six".