161283926 has 4 divisors (see below), whose sum is σ = 241925892. Its totient is φ = 80641962.

The previous prime is 161283919. The next prime is 161283949. The reversal of 161283926 is 629382161.

It is a happy number.

161283926 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 629382161 = 389 ⋅1617949.

It is a self number, because there is not a number n which added to its sum of digits gives 161283926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40320980 + ... + 40320983.

It is an arithmetic number, because the mean of its divisors is an integer number (60481473).

Almost surely, 2^161283926 is an apocalyptic number.

161283926 is a deficient number, since it is larger than the sum of its proper divisors (80641966).

161283926 is an equidigital number, since it uses as much as digits as its factorization.

161283926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80641965.

The product of its digits is 31104, while the sum is 38.

The square root of 161283926 is about 12699.7608638903. The cubic root of 161283926 is about 544.3317860502.

The spelling of 161283926 in words is "one hundred sixty-one million, two hundred eighty-three thousand, nine hundred twenty-six".