1066864824 has 64 divisors (see below), whose sum is σ = 2970528000. Its totient is φ = 354780000.

The previous prime is 1066864817. The next prime is 1066864837. The reversal of 1066864824 is 4284686601.

1066864824 is a `hidden beast` number, since 106 + 68 + 6 + 482 + 4 = 666.

It is a super-2 number, since 2×1066864824² = 2276401105377101952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066864824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89199 + ... + 100449.

It is an arithmetic number, because the mean of its divisors is an integer number (46414500).

Almost surely, 2^1066864824 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 1066864824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485264000).

1066864824 is an abundant number, since it is smaller than the sum of its proper divisors (1903663176).

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

1066864824 is a wasteful number, since it uses less digits than its factorization.

1066864824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 1066864824 is about 32662.8967484514. The cubic root of 1066864824 is about 1021.8091767045.

The spelling of 1066864824 in words is "one billion, sixty-six million, eight hundred sixty-four thousand, eight hundred twenty-four".