1066892190 has 96 divisors (see below), whose sum is σ = 3207768480. Its totient is φ = 225098496.

The previous prime is 1066892149. The next prime is 1066892207. The reversal of 1066892190 is 912986601.

It is a super-2 number, since 2×1066892190² = 2276517890165992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8805 + ... + 47024.

It is an arithmetic number, because the mean of its divisors is an integer number (33414255).

Almost surely, 2^1066892190 is an apocalyptic number.

1066892190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1066892190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603884240).

1066892190 is an abundant number, since it is smaller than the sum of its proper divisors (2140876290).

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

1066892190 is a wasteful number, since it uses less digits than its factorization.

1066892190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55866 (or 55859 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1066892190 is about 32663.3156614573. The cubic root of 1066892190 is about 1021.8179133911.

The spelling of 1066892190 in words is "one billion, sixty-six million, eight hundred ninety-two thousand, one hundred ninety".