16652157 has 4 divisors (see below), whose sum is σ = 22202880. Its totient is φ = 11101436.

The previous prime is 16652149. The next prime is 16652159. The reversal of 16652157 is 75125661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16652157 - 2³ = 16652149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16652159) 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, 2775357 + ... + 2775362.

It is an arithmetic number, because the mean of its divisors is an integer number (5550720).

Almost surely, 2^16652157 is an apocalyptic number.

It is an amenable number.

16652157 is a deficient number, since it is larger than the sum of its proper divisors (5550723).

16652157 is an equidigital number, since it uses as much as digits as its factorization.

16652157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550722.

The product of its digits is 12600, while the sum is 33.

The square root of 16652157 is about 4080.7054537175. The cubic root of 16652157 is about 255.3623299804.

The spelling of 16652157 in words is "sixteen million, six hundred fifty-two thousand, one hundred fifty-seven".