16308394436 has 6 divisors (see below), whose sum is σ = 28539690270. Its totient is φ = 8154197216.

The previous prime is 16308394391. The next prime is 16308394447. The reversal of 16308394436 is 63449380361.

It can be written as a sum of positive squares in only one way, i.e., 15962806336 + 345588100 = 126344^2 + 18590^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038549301 + ... + 2038549308.

It is an arithmetic number, because the mean of its divisors is an integer number (4756615045).

Almost surely, 2^16308394436 is an apocalyptic number.

It is an amenable number.

16308394436 is a deficient number, since it is larger than the sum of its proper divisors (12231295834).

16308394436 is a wasteful number, since it uses less digits than its factorization.

16308394436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077098613 (or 4077098611 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 16308394436 in words is "sixteen billion, three hundred eight million, three hundred ninety-four thousand, four hundred thirty-six".