16464635554 has 8 divisors (see below), whose sum is σ = 25996793040. Its totient is φ = 7799037876.

The previous prime is 16464635519. The next prime is 16464635563. The reversal of 16464635554 is 45553646461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16464635498 and 16464635507.

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 3 ways as a sum of consecutive naturals, for example, 216639904 + ... + 216639979.

It is an arithmetic number, because the mean of its divisors is an integer number (3249599130).

Almost surely, 2^16464635554 is an apocalyptic number.

16464635554 is a deficient number, since it is larger than the sum of its proper divisors (9532157486).

16464635554 is a wasteful number, since it uses less digits than its factorization.

16464635554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433279904.

The product of its digits is 5184000, while the sum is 49.

The spelling of 16464635554 in words is "sixteen billion, four hundred sixty-four million, six hundred thirty-five thousand, five hundred fifty-four".