161375626 has 8 divisors (see below), whose sum is σ = 254803680. Its totient is φ = 76441068.

The previous prime is 161375623. The next prime is 161375629. The reversal of 161375626 is 626573161.

161375626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161375623) and next prime (161375629).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (161375623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123326 + ... + 2123401.

It is an arithmetic number, because the mean of its divisors is an integer number (31850460).

Almost surely, 2^161375626 is an apocalyptic number.

161375626 is a deficient number, since it is larger than the sum of its proper divisors (93428054).

161375626 is a wasteful number, since it uses less digits than its factorization.

161375626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246748.

The product of its digits is 45360, while the sum is 37.

The square root of 161375626 is about 12703.3706550663. The cubic root of 161375626 is about 544.4349287275.

The spelling of 161375626 in words is "one hundred sixty-one million, three hundred seventy-five thousand, six hundred twenty-six".