16433653660 has 48 divisors (see below), whose sum is σ = 37498890240. Its totient is φ = 6026598720.

The previous prime is 16433653657. The next prime is 16433653667. The reversal of 16433653660 is 6635633461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16433653667) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 685744 + ... + 709303.

It is an arithmetic number, because the mean of its divisors is an integer number (781226880).

Almost surely, 2^16433653660 is an apocalyptic number.

16433653660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16433653660 is an abundant number, since it is smaller than the sum of its proper divisors (21065236580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16433653660 is a wasteful number, since it uses less digits than its factorization.

16433653660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395106 (or 1395104 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 16433653660 in words is "sixteen billion, four hundred thirty-three million, six hundred fifty-three thousand, six hundred sixty".