16380811 has 8 divisors (see below), whose sum is σ = 16623360. Its totient is φ = 16140072.

The previous prime is 16380799. The next prime is 16380839. The reversal of 16380811 is 11808361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16380811 - 2¹¹ = 16378763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16380811.

It is not an unprimeable number, because it can be changed into a prime (16389811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36756 + ... + 37198.

It is an arithmetic number, because the mean of its divisors is an integer number (2077920).

Almost surely, 2^16380811 is an apocalyptic number.

16380811 is a deficient number, since it is larger than the sum of its proper divisors (242549).

16380811 is a wasteful number, since it uses less digits than its factorization.

16380811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 16380811 is about 4047.3214599288. The cubic root of 16380811 is about 253.9676886586.

The spelling of 16380811 in words is "sixteen million, three hundred eighty thousand, eight hundred eleven".