16970057 has 8 divisors (see below), whose sum is σ = 18400200. Its totient is φ = 15557760.

The previous prime is 16970033. The next prime is 16970099. The reversal of 16970057 is 75007961.

It can be written as a sum of positive squares in 4 ways, for example, as 1201216 + 15768841 = 1096^2 + 3971^2 .

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 16970057 - 2⁸ = 16969801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16969999 and 16970026.

It is not an unprimeable number, because it can be changed into a prime (16970027) 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, 2444 + ... + 6317.

It is an arithmetic number, because the mean of its divisors is an integer number (2300025).

Almost surely, 2^16970057 is an apocalyptic number.

It is an amenable number.

16970057 is a deficient number, since it is larger than the sum of its proper divisors (1430143).

16970057 is a wasteful number, since it uses less digits than its factorization.

16970057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 16970057 is about 4119.4729031758. The cubic root of 16970057 is about 256.9771058653.

The spelling of 16970057 in words is "sixteen million, nine hundred seventy thousand, fifty-seven".