16380577 has 4 divisors (see below), whose sum is σ = 17092800. Its totient is φ = 15668356.

The previous prime is 16380569. The next prime is 16380589. The reversal of 16380577 is 77508361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16380577 - 2³ = 16380569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16380517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356077 + ... + 356122.

It is an arithmetic number, because the mean of its divisors is an integer number (4273200).

Almost surely, 2^16380577 is an apocalyptic number.

It is an amenable number.

16380577 is a deficient number, since it is larger than the sum of its proper divisors (712223).

16380577 is an equidigital number, since it uses as much as digits as its factorization.

16380577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712222.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 16380577 is about 4047.2925518178. The cubic root of 16380577 is about 253.9664793427.

The spelling of 16380577 in words is "sixteen million, three hundred eighty thousand, five hundred seventy-seven".