264863156 has 12 divisors (see below), whose sum is σ = 468289668. Its totient is φ = 131066112.

The previous prime is 264863153. The next prime is 264863167. The reversal of 264863156 is 651368462.

It can be written as a sum of positive squares in 2 ways, for example, as 216560656 + 48302500 = 14716^2 + 6950^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264863153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340931 + ... + 341706.

It is an arithmetic number, because the mean of its divisors is an integer number (39024139).

Almost surely, 2^264863156 is an apocalyptic number.

It is an amenable number.

264863156 is a deficient number, since it is larger than the sum of its proper divisors (203426512).

264863156 is a wasteful number, since it uses less digits than its factorization.

264863156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682738 (or 682736 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 264863156 is about 16274.6169232950. The cubic root of 264863156 is about 642.2052474708.

The spelling of 264863156 in words is "two hundred sixty-four million, eight hundred sixty-three thousand, one hundred fifty-six".