16328690 has 16 divisors (see below), whose sum is σ = 33590592. Its totient is φ = 5598384.

The previous prime is 16328681. The next prime is 16328699. The reversal of 16328690 is 9682361.

It is an interprime number because it is at equal distance from previous prime (16328681) and next prime (16328699).

It is a super-2 number, since 2×16328690² = 533252234232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16328690.

It is not an unprimeable number, because it can be changed into a prime (16328699) 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, 116564 + ... + 116703.

It is an arithmetic number, because the mean of its divisors is an integer number (2099412).

Almost surely, 2^16328690 is an apocalyptic number.

16328690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16328690 is an abundant number, since it is smaller than the sum of its proper divisors (17261902).

16328690 is a wasteful number, since it uses less digits than its factorization.

16328690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233281.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 16328690 is about 4040.8773799758. The cubic root of 16328690 is about 253.6980415670.

The spelling of 16328690 in words is "sixteen million, three hundred twenty-eight thousand, six hundred ninety".