16622056601 has 4 divisors (see below), whose sum is σ = 17071301412. Its totient is φ = 16172811792.

The previous prime is 16622056589. The next prime is 16622056631. The reversal of 16622056601 is 10665022661.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8934975625 + 7687080976 = 94525^2 + 87676^2 .

It is a cyclic number.

It is not a de Polignac number, because 16622056601 - 2⁶ = 16622056537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16622056631) 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, 224622350 + ... + 224622423.

It is an arithmetic number, because the mean of its divisors is an integer number (4267825353).

Almost surely, 2^16622056601 is an apocalyptic number.

It is an amenable number.

16622056601 is a deficient number, since it is larger than the sum of its proper divisors (449244811).

16622056601 is an equidigital number, since it uses as much as digits as its factorization.

16622056601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449244810.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 16622056601 in words is "sixteen billion, six hundred twenty-two million, fifty-six thousand, six hundred one".