16003625989 has 8 divisors (see below), whose sum is σ = 17250544640. Its totient is φ = 14758974576.

The previous prime is 16003625987. The next prime is 16003625999. The reversal of 16003625989 is 98952630061.

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

It is a cyclic number.

It is not a de Polignac number, because 16003625989 - 2¹ = 16003625987 is a prime.

It is a super-2 number, since 2×16003625989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16003625987) 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 7 ways as a sum of consecutive naturals, for example, 552129 + ... + 580390.

It is an arithmetic number, because the mean of its divisors is an integer number (2156318080).

Almost surely, 2^16003625989 is an apocalyptic number.

It is an amenable number.

16003625989 is a deficient number, since it is larger than the sum of its proper divisors (1246918651).

16003625989 is a wasteful number, since it uses less digits than its factorization.

16003625989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133619.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 16003625989 in words is "sixteen billion, three million, six hundred twenty-five thousand, nine hundred eighty-nine".