16421532632 has 32 divisors (see below), whose sum is σ = 31533300000. Its totient is φ = 8014944000.

The previous prime is 16421532581. The next prime is 16421532643. The reversal of 16421532632 is 23623512461.

It is a junction number, because it is equal to n+sod(n) for n = 16421532592 and 16421532601.

It is a congruent number.

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, 85757 + ... + 200492.

It is an arithmetic number, because the mean of its divisors is an integer number (985415625).

Almost surely, 2^16421532632 is an apocalyptic number.

It is an amenable number.

16421532632 is a deficient number, since it is larger than the sum of its proper divisors (15111767368).

16421532632 is a wasteful number, since it uses less digits than its factorization.

16421532632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286427 (or 286423 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The spelling of 16421532632 in words is "sixteen billion, four hundred twenty-one million, five hundred thirty-two thousand, six hundred thirty-two".