161350445773 has 8 divisors (see below), whose sum is σ = 177996407040. Its totient is φ = 145034107680.

The previous prime is 161350445741. The next prime is 161350445791. The reversal of 161350445773 is 377544053161.

It is a happy number.

161350445773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 161350445773 - 2⁵ = 161350445741 is a prime.

It is a super-2 number, since 2×161350445773² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161350445873) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82404765 + ... + 82406722.

It is an arithmetic number, because the mean of its divisors is an integer number (22249550880).

Almost surely, 2^161350445773 is an apocalyptic number.

It is an amenable number.

161350445773 is a deficient number, since it is larger than the sum of its proper divisors (16645961267).

161350445773 is a wasteful number, since it uses less digits than its factorization.

161350445773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164811587.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 161350445773 in words is "one hundred sixty-one billion, three hundred fifty million, four hundred forty-five thousand, seven hundred seventy-three".