16120257 has 8 divisors (see below), whose sum is σ = 22018080. Its totient is φ = 10484640.

The previous prime is 16120253. The next prime is 16120277. The reversal of 16120257 is 75202161.

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

It is not a de Polignac number, because 16120257 - 2² = 16120253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16120253) 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, 65407 + ... + 65652.

It is an arithmetic number, because the mean of its divisors is an integer number (2752260).

Almost surely, 2^16120257 is an apocalyptic number.

It is an amenable number.

16120257 is a deficient number, since it is larger than the sum of its proper divisors (5897823).

16120257 is a wasteful number, since it uses less digits than its factorization.

16120257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131103.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 16120257 is about 4015.0039850541. The cubic root of 16120257 is about 252.6139445864.

The spelling of 16120257 in words is "sixteen million, one hundred twenty thousand, two hundred fifty-seven".