161444759029 has 8 divisors (see below), whose sum is σ = 162131365440. Its totient is φ = 160758948000.

The previous prime is 161444759017. The next prime is 161444759033. The reversal of 161444759029 is 920957444161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 161444759029 - 2⁷ = 161444758901 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 (161444759629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209752 + ... + 605710.

It is an arithmetic number, because the mean of its divisors is an integer number (20266420680).

Almost surely, 2^161444759029 is an apocalyptic number.

It is an amenable number.

161444759029 is a deficient number, since it is larger than the sum of its proper divisors (686606411).

161444759029 is a wasteful number, since it uses less digits than its factorization.

161444759029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397691.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 161444759029 in words is "one hundred sixty-one billion, four hundred forty-four million, seven hundred fifty-nine thousand, twenty-nine".