16764906 has 32 divisors (see below), whose sum is σ = 34364160. Its totient is φ = 5451264.

The previous prime is 16764901. The next prime is 16764949. The reversal of 16764906 is 60946761.

16764906 = 54² + 55² + ... + 369².

It is not an unprimeable number, because it can be changed into a prime (16764901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53406 + ... + 53718.

It is an arithmetic number, because the mean of its divisors is an integer number (1073880).

Almost surely, 2^16764906 is an apocalyptic number.

16764906 is an abundant number, since it is smaller than the sum of its proper divisors (17599254).

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

16764906 is a wasteful number, since it uses less digits than its factorization.

16764906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 16764906 is about 4094.4970387094. The cubic root of 16764906 is about 255.9373727825.

Adding to 16764906 its sum of digits (39), we get a triangular number (16764945 = T₅₇₉₀).

The spelling of 16764906 in words is "sixteen million, seven hundred sixty-four thousand, nine hundred six".