220161051626 has 4 divisors (see below), whose sum is σ = 330241577442. Its totient is φ = 110080525812.

The previous prime is 220161051577. The next prime is 220161051667. The reversal of 220161051626 is 626150161022.

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

It can be written as a sum of positive squares in only one way, i.e., 177830046601 + 42331005025 = 421699^2 + 205745^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220161051592 and 220161051601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55040262905 + ... + 55040262908.

Almost surely, 2^220161051626 is an apocalyptic number.

220161051626 is a deficient number, since it is larger than the sum of its proper divisors (110080525816).

220161051626 is a wasteful number, since it uses less digits than its factorization.

220161051626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110080525815.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 220161051626 in words is "two hundred twenty billion, one hundred sixty-one million, fifty-one thousand, six hundred twenty-six".