161132235704473 has 16 divisors (see below), whose sum is σ = 181484989604352. Its totient is φ = 141731982144000.

The previous prime is 161132235704443. The next prime is 161132235704527. The reversal of 161132235704473 is 374407532231161.

It is not a de Polignac number, because 161132235704473 - 2¹⁷ = 161132235573401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161132235704413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42483768 + ... + 46120873.

It is an arithmetic number, because the mean of its divisors is an integer number (11342811850272).

Almost surely, 2^{161132235704473} is an apocalyptic number.

It is an amenable number.

161132235704473 is a deficient number, since it is larger than the sum of its proper divisors (20352753899879).

161132235704473 is a wasteful number, since it uses less digits than its factorization.

161132235704473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88610016.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 161132235704473 in words is "one hundred sixty-one trillion, one hundred thirty-two billion, two hundred thirty-five million, seven hundred four thousand, four hundred seventy-three".