16633400452 has 24 divisors (see below), whose sum is σ = 30453405696. Its totient is φ = 7934317248.

The previous prime is 16633400401. The next prime is 16633400461. The reversal of 16633400452 is 25400433661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200793 + ... + 271264.

It is an arithmetic number, because the mean of its divisors is an integer number (1268891904).

Almost surely, 2^16633400452 is an apocalyptic number.

It is an amenable number.

16633400452 is a deficient number, since it is larger than the sum of its proper divisors (13820005244).

16633400452 is a wasteful number, since it uses less digits than its factorization.

16633400452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472467 (or 472465 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 16633400452 in words is "sixteen billion, six hundred thirty-three million, four hundred thousand, four hundred fifty-two".