16905505622 has 4 divisors (see below), whose sum is σ = 25358258436. Its totient is φ = 8452752810.

The previous prime is 16905505613. The next prime is 16905505651. The reversal of 16905505622 is 22650550961.

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

It is a super-2 number, since 2×16905505622² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16905505622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4226376404 + ... + 4226376407.

It is an arithmetic number, because the mean of its divisors is an integer number (6339564609).

Almost surely, 2^16905505622 is an apocalyptic number.

16905505622 is a deficient number, since it is larger than the sum of its proper divisors (8452752814).

16905505622 is an equidigital number, since it uses as much as digits as its factorization.

16905505622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452752813.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 16905505622 in words is "sixteen billion, nine hundred five million, five hundred five thousand, six hundred twenty-two".