1066872204 has 72 divisors (see below), whose sum is σ = 2819063520. Its totient is φ = 339558912.

The previous prime is 1066872187. The next prime is 1066872217. The reversal of 1066872204 is 4022786601.

It is a super-2 number, since 2×1066872204² = 2276432599335635232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834814 + ... + 836090.

It is an arithmetic number, because the mean of its divisors is an integer number (39153660).

Almost surely, 2^1066872204 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 1066872204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409531760).

1066872204 is an abundant number, since it is smaller than the sum of its proper divisors (1752191316).

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

1066872204 is a wasteful number, since it uses less digits than its factorization.

1066872204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1066872204 is about 32663.0097204774. The cubic root of 1066872204 is about 1021.8115328088.

The spelling of 1066872204 in words is "one billion, sixty-six million, eight hundred seventy-two thousand, two hundred four".