13166057 has 8 divisors (see below), whose sum is σ = 13520712. Its totient is φ = 12816000.

The previous prime is 13166053. The next prime is 13166059. The reversal of 13166057 is 75066131.

It can be written as a sum of positive squares in 4 ways, for example, as 126736 + 13039321 = 356^2 + 3611^2 .

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 13166057 - 2² = 13166053 is a prime.

It is a super-4 number, since 4×13166057⁴ (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13166053) 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, 5093 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (1690089).

Almost surely, 2^13166057 is an apocalyptic number.

It is an amenable number.

13166057 is a deficient number, since it is larger than the sum of its proper divisors (354655).

13166057 is a wasteful number, since it uses less digits than its factorization.

13166057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13166057 is about 3628.5061664547. The cubic root of 13166057 is about 236.1304040870.

The spelling of 13166057 in words is "thirteen million, one hundred sixty-six thousand, fifty-seven".