16665048 has 32 divisors (see below), whose sum is σ = 46292400. Its totient is φ = 5554944.

The previous prime is 16665043. The next prime is 16665137. The reversal of 16665048 is 84056661.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16665043) 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, 38361 + ... + 38792.

Almost surely, 2^16665048 is an apocalyptic number.

16665048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16665048 is an abundant number, since it is smaller than the sum of its proper divisors (29627352).

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

16665048 is a wasteful number, since it uses less digits than its factorization.

16665048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77168 (or 77158 counting only the distinct ones).

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

The square root of 16665048 is about 4082.2846544551. The cubic root of 16665048 is about 255.4282078666.

The spelling of 16665048 in words is "sixteen million, six hundred sixty-five thousand, forty-eight".