16480771 has 4 divisors (see below), whose sum is σ = 17348200. Its totient is φ = 15613344.

The previous prime is 16480759. The next prime is 16480777. The reversal of 16480771 is 17708461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17708461 = 139 ⋅127399.

It is a cyclic number.

It is not a de Polignac number, because 16480771 - 2¹³ = 16472579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16480777) 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, 433686 + ... + 433723.

It is an arithmetic number, because the mean of its divisors is an integer number (4337050).

Almost surely, 2^16480771 is an apocalyptic number.

16480771 is a deficient number, since it is larger than the sum of its proper divisors (867429).

16480771 is an equidigital number, since it uses as much as digits as its factorization.

16480771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867428.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 16480771 is about 4059.6515860354. The cubic root of 16480771 is about 254.4832338683.

The spelling of 16480771 in words is "sixteen million, four hundred eighty thousand, seven hundred seventy-one".