161263126 has 8 divisors (see below), whose sum is σ = 241987824. Its totient is φ = 80600520.

The previous prime is 161263073. The next prime is 161263133. The reversal of 161263126 is 621362161.

161263126 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 a junction number, because it is equal to n+sod(n) for n = 161263094 and 161263103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8370 + ... + 19813.

It is an arithmetic number, because the mean of its divisors is an integer number (30248478).

Almost surely, 2^161263126 is an apocalyptic number.

161263126 is a deficient number, since it is larger than the sum of its proper divisors (80724698).

161263126 is a wasteful number, since it uses less digits than its factorization.

161263126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31046.

The product of its digits is 2592, while the sum is 28.

The square root of 161263126 is about 12698.9419244282. The cubic root of 161263126 is about 544.3083851072.

The spelling of 161263126 in words is "one hundred sixty-one million, two hundred sixty-three thousand, one hundred twenty-six".