16987070149 has 12 divisors (see below), whose sum is σ = 20220017664. Its totient is φ = 14221731384.

The previous prime is 16987070147. The next prime is 16987070179. The reversal of 16987070149 is 94107078961.

16987070149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16987070149 - 2¹ = 16987070147 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 16987070096 and 16987070105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16987070147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4028997 + ... + 4033210.

It is an arithmetic number, because the mean of its divisors is an integer number (1685001472).

Almost surely, 2^16987070149 is an apocalyptic number.

It is an amenable number.

16987070149 is a deficient number, since it is larger than the sum of its proper divisors (3232947515).

16987070149 is an equidigital number, since it uses as much as digits as its factorization.

16987070149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062264 (or 8062257 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 16987070149 in words is "sixteen billion, nine hundred eighty-seven million, seventy thousand, one hundred forty-nine".