192920161 has 16 divisors (see below), whose sum is σ = 228103168. Its totient is φ = 159667200.

The previous prime is 192920153. The next prime is 192920171. The reversal of 192920161 is 161029291.

It is not a de Polignac number, because 192920161 - 2³ = 192920153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192920141) 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, 145381 + ... + 146701.

It is an arithmetic number, because the mean of its divisors is an integer number (14256448).

It is a Poulet number, since it divides 2^192920160-1.

Almost surely, 2^192920161 is an apocalyptic number.

It is an amenable number.

192920161 is a deficient number, since it is larger than the sum of its proper divisors (35183007).

192920161 is a wasteful number, since it uses less digits than its factorization.

192920161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 192920161 is about 13889.5702237326. The cubic root of 192920161 is about 577.8199582522.

The spelling of 192920161 in words is "one hundred ninety-two million, nine hundred twenty thousand, one hundred sixty-one".