16428995 has 8 divisors (see below), whose sum is σ = 21507120. Its totient is φ = 11948320.

The previous prime is 16428989. The next prime is 16429001. The reversal of 16428995 is 59982461.

It is an interprime number because it is at equal distance from previous prime (16428989) and next prime (16429001).

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

It is not a de Polignac number, because 16428995 - 2¹² = 16424899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149300 + ... + 149409.

It is an arithmetic number, because the mean of its divisors is an integer number (2688390).

Almost surely, 2^16428995 is an apocalyptic number.

16428995 is a deficient number, since it is larger than the sum of its proper divisors (5078125).

16428995 is a wasteful number, since it uses less digits than its factorization.

16428995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298725.

The product of its digits is 155520, while the sum is 44.

The square root of 16428995 is about 4053.2696678114. The cubic root of 16428995 is about 254.2164594137.

The spelling of 16428995 in words is "sixteen million, four hundred twenty-eight thousand, nine hundred ninety-five".