264667956 has 192 divisors, whose sum is σ = 777928704. Its totient is φ = 68428800.

The previous prime is 264667913. The next prime is 264667961. The reversal of 264667956 is 659766462.

It is a happy number.

264667956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 264667899 and 264667908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3950235 + ... + 3950301.

It is an arithmetic number, because the mean of its divisors is an integer number (4051712).

Almost surely, 2^264667956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264667956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388964352).

264667956 is an abundant number, since it is smaller than the sum of its proper divisors (513260748).

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

264667956 is a wasteful number, since it uses less digits than its factorization.

264667956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 264667956 is about 16268.6187489903. The cubic root of 264667956 is about 642.0474436265.

The spelling of 264667956 in words is "two hundred sixty-four million, six hundred sixty-seven thousand, nine hundred fifty-six".