16672957 has 8 divisors (see below), whose sum is σ = 19285056. Its totient is φ = 14118432.

The previous prime is 16672933. The next prime is 16672961. The reversal of 16672957 is 75927661.

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 16672957 - 2¹⁵ = 16640189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16672927) 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, 13768 + ... + 14929.

It is an arithmetic number, because the mean of its divisors is an integer number (2410632).

Almost surely, 2^16672957 is an apocalyptic number.

It is an amenable number.

16672957 is a deficient number, since it is larger than the sum of its proper divisors (2612099).

16672957 is an equidigital number, since it uses as much as digits as its factorization.

16672957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28787.

The product of its digits is 158760, while the sum is 43.

The square root of 16672957 is about 4083.2532373097. The cubic root of 16672957 is about 255.4686090343.

It can be divided in two parts, 1667 and 2957, that added together give a square (4624 = 68²).

The spelling of 16672957 in words is "sixteen million, six hundred seventy-two thousand, nine hundred fifty-seven".