1623622606 has 8 divisors (see below), whose sum is σ = 2437281504. Its totient is φ = 811195440.

The previous prime is 1623622589. The next prime is 1623622607. The reversal of 1623622606 is 6062263261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623622607) 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, 304630 + ... + 309913.

It is an arithmetic number, because the mean of its divisors is an integer number (304660188).

Almost surely, 2^1623622606 is an apocalyptic number.

1623622606 is a deficient number, since it is larger than the sum of its proper divisors (813658898).

1623622606 is a wasteful number, since it uses less digits than its factorization.

1623622606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615866.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1623622606 is about 40294.2006497213. The cubic root of 1623622606 is about 1175.3350741377.

Adding to 1623622606 its reverse (6062263261), we get a palindrome (7685885867).

The spelling of 1623622606 in words is "one billion, six hundred twenty-three million, six hundred twenty-two thousand, six hundred six".