16664058 has 24 divisors (see below), whose sum is σ = 36350496. Its totient is φ = 5517000.

The previous prime is 16664057. The next prime is 16664059. The reversal of 16664058 is 85046661.

It is an interprime number because it is at equal distance from previous prime (16664057) and next prime (16664059).

It is not an unprimeable number, because it can be changed into a prime (16664057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (1514604).

Almost surely, 2^16664058 is an apocalyptic number.

16664058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16664058 is an abundant number, since it is smaller than the sum of its proper divisors (19686438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16664058 is a wasteful number, since it uses less digits than its factorization.

16664058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290 (or 6287 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 16664058 is about 4082.1633970237. The cubic root of 16664058 is about 255.4231497967.

The spelling of 16664058 in words is "sixteen million, six hundred sixty-four thousand, fifty-eight".