16702668 has 18 divisors (see below), whose sum is σ = 42220724. Its totient is φ = 5567544.

The previous prime is 16702663. The next prime is 16702681. The reversal of 16702668 is 86620761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 463963 = 16702668 / (1 + 6 + 7 + 0 + 2 + 6 + 6 + 8).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16702663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231946 + ... + 232017.

Almost surely, 2^16702668 is an apocalyptic number.

16702668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16702668 is an abundant number, since it is smaller than the sum of its proper divisors (25518056).

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

16702668 is a wasteful number, since it uses less digits than its factorization.

16702668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463973 (or 463968 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 16702668 is about 4086.8897709628. The cubic root of 16702668 is about 255.6202662705.

The spelling of 16702668 in words is "sixteen million, seven hundred two thousand, six hundred sixty-eight".