16670481 has 8 divisors (see below), whose sum is σ = 22261824. Its totient is φ = 11096400.

The previous prime is 16670473. The next prime is 16670483. The reversal of 16670481 is 18407661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16670481 - 2³ = 16670473 is a prime.

It is a super-2 number, since 2×16670481² = 555809873542722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16670483) 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, 1861 + ... + 6066.

It is an arithmetic number, because the mean of its divisors is an integer number (2782728).

Almost surely, 2^16670481 is an apocalyptic number.

It is an amenable number.

16670481 is a deficient number, since it is larger than the sum of its proper divisors (5591343).

16670481 is an equidigital number, since it uses as much as digits as its factorization.

16670481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 16670481 is about 4082.9500364320. The cubic root of 16670481 is about 255.4559623756.

The spelling of 16670481 in words is "sixteen million, six hundred seventy thousand, four hundred eighty-one".