16623522532 has 24 divisors (see below), whose sum is σ = 29733221952. Its totient is φ = 8130300000.

The previous prime is 16623522469. The next prime is 16623522533. The reversal of 16623522532 is 23522532661.

It is a junction number, because it is equal to n+sod(n) for n = 16623522491 and 16623522500.

It is not an unprimeable number, because it can be changed into a prime (16623522533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214344 + ... + 281407.

It is an arithmetic number, because the mean of its divisors is an integer number (1238884248).

Almost surely, 2^16623522532 is an apocalyptic number.

It is an amenable number.

16623522532 is a deficient number, since it is larger than the sum of its proper divisors (13109699420).

16623522532 is a wasteful number, since it uses less digits than its factorization.

16623522532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495939 (or 495937 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The spelling of 16623522532 in words is "sixteen billion, six hundred twenty-three million, five hundred twenty-two thousand, five hundred thirty-two".