16721160045 has 64 divisors (see below), whose sum is σ = 28411637760. Its totient is φ = 8374060800.

The previous prime is 16721160019. The next prime is 16721160077. The reversal of 16721160045 is 54006112761.

It is not a de Polignac number, because 16721160045 - 2⁶ = 16721159981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16721159988 and 16721160015.

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 63 ways as a sum of consecutive naturals, for example, 24198150 + ... + 24198840.

It is an arithmetic number, because the mean of its divisors is an integer number (443931840).

Almost surely, 2^16721160045 is an apocalyptic number.

16721160045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16721160045 is a deficient number, since it is larger than the sum of its proper divisors (11690477715).

16721160045 is a wasteful number, since it uses less digits than its factorization.

16721160045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 16721160045 in words is "sixteen billion, seven hundred twenty-one million, one hundred sixty thousand, forty-five".