16623806604476 has 6 divisors (see below), whose sum is σ = 29091661557840. Its totient is φ = 8311903302236.

The previous prime is 16623806604403. The next prime is 16623806604491. The reversal of 16623806604476 is 67440660832661.

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, 2077975825556 + ... + 2077975825563.

It is an arithmetic number, because the mean of its divisors is an integer number (4848610259640).

Almost surely, 2^{16623806604476} is an apocalyptic number.

It is an amenable number.

16623806604476 is a deficient number, since it is larger than the sum of its proper divisors (12467854953364).

16623806604476 is a wasteful number, since it uses less digits than its factorization.

16623806604476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155951651123 (or 4155951651121 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 59.

The spelling of 16623806604476 in words is "sixteen trillion, six hundred twenty-three billion, eight hundred six million, six hundred four thousand, four hundred seventy-six".