16120651 has 4 divisors (see below), whose sum is σ = 16640704. Its totient is φ = 15600600.

The previous prime is 16120649. The next prime is 16120673. The reversal of 16120651 is 15602161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15602161 = 347 ⋅44963.

It is a cyclic number.

It is not a de Polignac number, because 16120651 - 2¹ = 16120649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16120051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259980 + ... + 260041.

It is an arithmetic number, because the mean of its divisors is an integer number (4160176).

Almost surely, 2^16120651 is an apocalyptic number.

16120651 is a deficient number, since it is larger than the sum of its proper divisors (520053).

16120651 is an equidigital number, since it uses as much as digits as its factorization.

16120651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520052.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 16120651 is about 4015.0530507080. The cubic root of 16120651 is about 252.6160026406.

The spelling of 16120651 in words is "sixteen million, one hundred twenty thousand, six hundred fifty-one".