16122557 has 8 divisors (see below), whose sum is σ = 17811840. Its totient is φ = 14470560.

The previous prime is 16122541. The next prime is 16122559. The reversal of 16122557 is 75522161.

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

It is a cyclic number.

It is not a de Polignac number, because 16122557 - 2⁴ = 16122541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16122559) 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 7 ways as a sum of consecutive naturals, for example, 8408 + ... + 10145.

It is an arithmetic number, because the mean of its divisors is an integer number (2226480).

Almost surely, 2^16122557 is an apocalyptic number.

It is an amenable number.

16122557 is a deficient number, since it is larger than the sum of its proper divisors (1689283).

16122557 is a wasteful number, since it uses less digits than its factorization.

16122557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18643.

The product of its digits is 4200, while the sum is 29.

The square root of 16122557 is about 4015.2904004567. The cubic root of 16122557 is about 252.6259581344.

The spelling of 16122557 in words is "sixteen million, one hundred twenty-two thousand, five hundred fifty-seven".