16973957 has 32 divisors (see below), whose sum is σ = 23568384. Its totient is φ = 11793600.

The previous prime is 16973947. The next prime is 16973963. The reversal of 16973957 is 75937961.

It is a happy number.

It is not a de Polignac number, because 16973957 - 2⁴ = 16973941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16973927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30758 + ... + 31304.

It is an arithmetic number, because the mean of its divisors is an integer number (736512).

Almost surely, 2^16973957 is an apocalyptic number.

It is an amenable number.

16973957 is a deficient number, since it is larger than the sum of its proper divisors (6594427).

16973957 is a wasteful number, since it uses less digits than its factorization.

16973957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its digits is 357210, while the sum is 47.

The square root of 16973957 is about 4119.9462375133. The cubic root of 16973957 is about 256.9967902217.

The spelling of 16973957 in words is "sixteen million, nine hundred seventy-three thousand, nine hundred fifty-seven".