16628097 has 8 divisors (see below), whose sum is σ = 23337760. Its totient is φ = 10501920.

The previous prime is 16628093. The next prime is 16628099. The reversal of 16628097 is 79082661.

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

It is not a de Polignac number, because 16628097 - 2² = 16628093 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16628093) 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, 145804 + ... + 145917.

It is an arithmetic number, because the mean of its divisors is an integer number (2917220).

Almost surely, 2^16628097 is an apocalyptic number.

It is an amenable number.

16628097 is a deficient number, since it is larger than the sum of its proper divisors (6709663).

16628097 is a wasteful number, since it uses less digits than its factorization.

16628097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291743.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 16628097 is about 4077.7563683967. The cubic root of 16628097 is about 255.2392832761.

The spelling of 16628097 in words is "sixteen million, six hundred twenty-eight thousand, ninety-seven".