16780245 has 16 divisors (see below), whose sum is σ = 27111552. Its totient is φ = 8861760.

The previous prime is 16780237. The next prime is 16780259. The reversal of 16780245 is 54208761.

It is not a de Polignac number, because 16780245 - 2³ = 16780237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3886 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (1694472).

Almost surely, 2^16780245 is an apocalyptic number.

16780245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16780245 is a deficient number, since it is larger than the sum of its proper divisors (10331307).

16780245 is a wasteful number, since it uses less digits than its factorization.

16780245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 16780245 is about 4096.3697342891. The cubic root of 16780245 is about 256.0154053636.

The spelling of 16780245 in words is "sixteen million, seven hundred eighty thousand, two hundred forty-five".