16428051 has 24 divisors (see below), whose sum is σ = 24620544. Its totient is φ = 10548720.

The previous prime is 16428029. The next prime is 16428059. The reversal of 16428051 is 15082461.

It is not a de Polignac number, because 16428051 - 2⁶ = 16427987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16428059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29760 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (1025856).

Almost surely, 2^16428051 is an apocalyptic number.

16428051 is a deficient number, since it is larger than the sum of its proper divisors (8192493).

16428051 is a wasteful number, since it uses less digits than its factorization.

16428051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 16428051 is about 4053.1532169411. The cubic root of 16428051 is about 254.2115902797.

The spelling of 16428051 in words is "sixteen million, four hundred twenty-eight thousand, fifty-one".