264166516 has 6 divisors (see below), whose sum is σ = 462291410. Its totient is φ = 132083256.

The previous prime is 264166493. The next prime is 264166517. The reversal of 264166516 is 615661462.

It can be written as a sum of positive squares in only one way, i.e., 169104016 + 95062500 = 13004^2 + 9750^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264166517) 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 as a sum of consecutive naturals, namely, 33020811 + ... + 33020818.

Almost surely, 2^264166516 is an apocalyptic number.

It is an amenable number.

264166516 is a deficient number, since it is larger than the sum of its proper divisors (198124894).

264166516 is a wasteful number, since it uses less digits than its factorization.

264166516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66041633 (or 66041631 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 264166516 is about 16253.2001771959. The cubic root of 264166516 is about 641.6417128505.

The spelling of 264166516 in words is "two hundred sixty-four million, one hundred sixty-six thousand, five hundred sixteen".