16467990 has 64 divisors (see below), whose sum is σ = 49282560. Its totient is φ = 3421440.

The previous prime is 16467967. The next prime is 16467991. The reversal of 16467990 is 9976461.

16467990 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16467991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255 + ... + 5874.

It is an arithmetic number, because the mean of its divisors is an integer number (770040).

Almost surely, 2^16467990 is an apocalyptic number.

16467990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16467990 is an abundant number, since it is smaller than the sum of its proper divisors (32814570).

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

16467990 is a wasteful number, since it uses less digits than its factorization.

16467990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 16467990 is about 4058.0771308589. The cubic root of 16467990 is about 254.4174321052.

The spelling of 16467990 in words is "sixteen million, four hundred sixty-seven thousand, nine hundred ninety".