1612448442161 has 32 divisors (see below), whose sum is σ = 1739658470400. Its totient is φ = 1490884876800.

The previous prime is 1612448442133. The next prime is 1612448442193.

1612448442161 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1612448442161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1612448442461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44636975 + ... + 44673083.

It is an arithmetic number, because the mean of its divisors is an integer number (54364327200).

Almost surely, 2^{1612448442161} is an apocalyptic number.

It is an amenable number.

1612448442161 is a deficient number, since it is larger than the sum of its proper divisors (127210028239).

1612448442161 is a wasteful number, since it uses less digits than its factorization.

1612448442161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36689.

The product of its digits is 294912, while the sum is 44.

The spelling of 1612448442161 in words is "one trillion, six hundred twelve billion, four hundred forty-eight million, four hundred forty-two thousand, one hundred sixty-one".