16880746 has 4 divisors (see below), whose sum is σ = 25321122. Its totient is φ = 8440372.

The previous prime is 16880741. The next prime is 16880753. The reversal of 16880746 is 64708861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 7645225 = 3039^2 + 2765^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16880699 and 16880708.

It is not an unprimeable number, because it can be changed into a prime (16880741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220185 + ... + 4220188.

Almost surely, 2^16880746 is an apocalyptic number.

16880746 is a deficient number, since it is larger than the sum of its proper divisors (8440376).

16880746 is an equidigital number, since it uses as much as digits as its factorization.

16880746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8440375.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 16880746 is about 4108.6185026113. The cubic root of 16880746 is about 256.5255013550.

The spelling of 16880746 in words is "sixteen million, eight hundred eighty thousand, seven hundred forty-six".