16381293836 has 6 divisors (see below), whose sum is σ = 28667264220. Its totient is φ = 8190646916.

The previous prime is 16381293833. The next prime is 16381293847. The reversal of 16381293836 is 63839218361.

It is not an unprimeable number, because it can be changed into a prime (16381293833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047661726 + ... + 2047661733.

It is an arithmetic number, because the mean of its divisors is an integer number (4777877370).

Almost surely, 2^16381293836 is an apocalyptic number.

It is an amenable number.

16381293836 is a deficient number, since it is larger than the sum of its proper divisors (12285970384).

16381293836 is a wasteful number, since it uses less digits than its factorization.

16381293836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095323463 (or 4095323461 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The spelling of 16381293836 in words is "sixteen billion, three hundred eighty-one million, two hundred ninety-three thousand, eight hundred thirty-six".