16670045 has 12 divisors (see below), whose sum is σ = 23270364. Its totient is φ = 11430720.

The previous prime is 16670039. The next prime is 16670057. The reversal of 16670045 is 54007661.

It can be written as a sum of positive squares in 2 ways, for example, as 12201049 + 4468996 = 3493^2 + 2114^2 .

It is not a de Polignac number, because 16670045 - 2⁴ = 16670029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33776 + ... + 34265.

It is an arithmetic number, because the mean of its divisors is an integer number (1939197).

Almost surely, 2^16670045 is an apocalyptic number.

It is an amenable number.

16670045 is a deficient number, since it is larger than the sum of its proper divisors (6600319).

16670045 is an equidigital number, since it uses as much as digits as its factorization.

16670045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68060 (or 68053 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 16670045 is about 4082.8966433159. The cubic root of 16670045 is about 255.4537352898.

The spelling of 16670045 in words is "sixteen million, six hundred seventy thousand, forty-five".