16980545 has 8 divisors (see below), whose sum is σ = 20399424. Its totient is φ = 13569264.

The previous prime is 16980541. The next prime is 16980559. The reversal of 16980545 is 54508961.

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 16980545 - 2² = 16980541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16980499 and 16980508.

It is not an unprimeable number, because it can be changed into a prime (16980541) 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, 6062 + ... + 8408.

It is an arithmetic number, because the mean of its divisors is an integer number (2549928).

Almost surely, 2^16980545 is an apocalyptic number.

It is an amenable number.

16980545 is a deficient number, since it is larger than the sum of its proper divisors (3418879).

16980545 is a wasteful number, since it uses less digits than its factorization.

16980545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 16980545 is about 4120.7456849459. The cubic root of 16980545 is about 257.0300347947.

The spelling of 16980545 in words is "sixteen million, nine hundred eighty thousand, five hundred forty-five".