161341006445 has 16 divisors (see below), whose sum is σ = 199907355648. Its totient is φ = 124876235520.

The previous prime is 161341006397. The next prime is 161341006469. The reversal of 161341006445 is 544600143161.

It is not a de Polignac number, because 161341006445 - 2³² = 157046039149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 460997 + ... + 731573.

It is an arithmetic number, because the mean of its divisors is an integer number (12494209728).

Almost surely, 2^161341006445 is an apocalyptic number.

It is an amenable number.

161341006445 is a deficient number, since it is larger than the sum of its proper divisors (38566349203).

161341006445 is a wasteful number, since it uses less digits than its factorization.

161341006445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274460.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 161341006445 in words is "one hundred sixty-one billion, three hundred forty-one million, six thousand, four hundred forty-five".