2520164266 has 4 divisors (see below), whose sum is σ = 3780246402. Its totient is φ = 1260082132.

The previous prime is 2520164263. The next prime is 2520164267. The reversal of 2520164266 is 6624610252.

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., 2505503025 + 14661241 = 50055^2 + 3829^2 .

It is not an unprimeable number, because it can be changed into a prime (2520164263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630041065 + ... + 630041068.

Almost surely, 2^2520164266 is an apocalyptic number.

2520164266 is a deficient number, since it is larger than the sum of its proper divisors (1260082136).

2520164266 is a wasteful number, since it uses less digits than its factorization.

2520164266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260082135.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2520164266 is about 50201.2376939055. The cubic root of 2520164266 is about 1360.8479908285.

The spelling of 2520164266 in words is "two billion, five hundred twenty million, one hundred sixty-four thousand, two hundred sixty-six".