16080646 has 4 divisors (see below), whose sum is σ = 24120972. Its totient is φ = 8040322.

The previous prime is 16080641. The next prime is 16080671. The reversal of 16080646 is 64608061.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16080641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020160 + ... + 4020163.

It is an arithmetic number, because the mean of its divisors is an integer number (6030243).

Almost surely, 2^16080646 is an apocalyptic number.

16080646 is a deficient number, since it is larger than the sum of its proper divisors (8040326).

16080646 is an equidigital number, since it uses as much as digits as its factorization.

16080646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040325.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 16080646 is about 4010.0680792226. The cubic root of 16080646 is about 252.4068656288.

The spelling of 16080646 in words is "sixteen million, eighty thousand, six hundred forty-six".