161483726 has 4 divisors (see below), whose sum is σ = 242225592. Its totient is φ = 80741862.

The previous prime is 161483723. The next prime is 161483741. The reversal of 161483726 is 627384161.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 161483726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161483723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40370930 + ... + 40370933.

It is an arithmetic number, because the mean of its divisors is an integer number (60556398).

Almost surely, 2^161483726 is an apocalyptic number.

161483726 is a deficient number, since it is larger than the sum of its proper divisors (80741866).

161483726 is an equidigital number, since it uses as much as digits as its factorization.

161483726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80741865.

The product of its digits is 48384, while the sum is 38.

The square root of 161483726 is about 12707.6247190417. The cubic root of 161483726 is about 544.5564676919.

The spelling of 161483726 in words is "one hundred sixty-one million, four hundred eighty-three thousand, seven hundred twenty-six".