16325978 has 8 divisors (see below), whose sum is σ = 25777920. Its totient is φ = 7733340.

The previous prime is 16325963. The next prime is 16325999. The reversal of 16325978 is 87952361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214778 + ... + 214853.

It is an arithmetic number, because the mean of its divisors is an integer number (3222240).

Almost surely, 2^16325978 is an apocalyptic number.

16325978 is a deficient number, since it is larger than the sum of its proper divisors (9451942).

16325978 is a wasteful number, since it uses less digits than its factorization.

16325978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429652.

The product of its digits is 90720, while the sum is 41.

The square root of 16325978 is about 4040.5417953537. The cubic root of 16325978 is about 253.6839953865.

The spelling of 16325978 in words is "sixteen million, three hundred twenty-five thousand, nine hundred seventy-eight".