16003625990 has 32 divisors (see below), whose sum is σ = 31469778720. Its totient is φ = 5811264000.

The previous prime is 16003625987. The next prime is 16003625999. The reversal of 16003625990 is 9952630061.

It is a super-2 number, since 2×16003625990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16003625999) 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, 24611 + ... + 180590.

It is an arithmetic number, because the mean of its divisors is an integer number (983430585).

Almost surely, 2^16003625990 is an apocalyptic number.

16003625990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16003625990 is a deficient number, since it is larger than the sum of its proper divisors (15466152730).

16003625990 is a wasteful number, since it uses less digits than its factorization.

16003625990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205928.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 16003625990 in words is "sixteen billion, three million, six hundred twenty-five thousand, nine hundred ninety".