16699205140 has 24 divisors (see below), whose sum is σ = 36277584840. Its totient is φ = 6449347968.

The previous prime is 16699205137. The next prime is 16699205141. The reversal of 16699205140 is 4150299661.

16699205140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 381186576 + 16318018564 = 19524^2 + 127742^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16699205141) 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 7 ways as a sum of consecutive naturals, for example, 14395287 + ... + 14396446.

It is an arithmetic number, because the mean of its divisors is an integer number (1511566035).

Almost surely, 2^16699205140 is an apocalyptic number.

16699205140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16699205140 is an abundant number, since it is smaller than the sum of its proper divisors (19578379700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16699205140 is a wasteful number, since it uses less digits than its factorization.

16699205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28791771 (or 28791769 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 16699205140 in words is "sixteen billion, six hundred ninety-nine million, two hundred five thousand, one hundred forty".