161033523626 has 8 divisors (see below), whose sum is σ = 244264333860. Its totient is φ = 79612079008.

The previous prime is 161033523499. The next prime is 161033523631. The reversal of 161033523626 is 626325330161.

161033523626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 160800198001 + 233325625 = 400999^2 + 15275^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 161033523626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452341181 + ... + 452341536.

Almost surely, 2^161033523626 is an apocalyptic number.

161033523626 is a deficient number, since it is larger than the sum of its proper divisors (83230810234).

161033523626 is an equidigital number, since it uses as much as digits as its factorization.

161033523626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904682808.

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 161033523626 its reverse (626325330161), we get a palindrome (787358853787).

The spelling of 161033523626 in words is "one hundred sixty-one billion, thirty-three million, five hundred twenty-three thousand, six hundred twenty-six".