16189047040 has 36 divisors (see below), whose sum is σ = 38777829804. Its totient is φ = 6475618304.

The previous prime is 16189046999. The next prime is 16189047101. The reversal of 16189047040 is 4074098161.

It can be written as a sum of positive squares in 2 ways, for example, as 2426941696 + 13762105344 = 49264^2 + 117312^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 16189046984 and 16189047002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6322567 + ... + 6325126.

It is an arithmetic number, because the mean of its divisors is an integer number (1077161939).

Almost surely, 2^16189047040 is an apocalyptic number.

16189047040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16189047040 is an abundant number, since it is smaller than the sum of its proper divisors (22588782764).

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

16189047040 is an equidigital number, since it uses as much as digits as its factorization.

16189047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12647714 (or 12647700 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 16189047040 in words is "sixteen billion, one hundred eighty-nine million, forty-seven thousand, forty".