16308981306 has 24 divisors (see below), whose sum is σ = 35344015200. Its totient is φ = 5435113416.

The previous prime is 16308981287. The next prime is 16308981307. The reversal of 16308981306 is 60318980361.

It is a happy number.

16308981306 is a `hidden beast` number, since 1 + 630 + 8 + 9 + 8 + 1 + 3 + 0 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (16308981307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16356 + ... + 181343.

It is an arithmetic number, because the mean of its divisors is an integer number (1472667300).

Almost surely, 2^16308981306 is an apocalyptic number.

16308981306 is an abundant number, since it is smaller than the sum of its proper divisors (19035033894).

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

16308981306 is a wasteful number, since it uses less digits than its factorization.

16308981306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202290 (or 202287 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 16308981306 in words is "sixteen billion, three hundred eight million, nine hundred eighty-one thousand, three hundred six".