1066773630 has 96 divisors (see below), whose sum is σ = 2935665504. Its totient is φ = 247123968.

The previous prime is 1066773623. The next prime is 1066773667. The reversal of 1066773630 is 363776601.

It is a super-2 number, since 2×1066773630² = 2276011955326753800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 80002 + ... + 92378.

It is an arithmetic number, because the mean of its divisors is an integer number (30579849).

Almost surely, 2^1066773630 is an apocalyptic number.

1066773630 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 1066773630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467832752).

1066773630 is an abundant number, since it is smaller than the sum of its proper divisors (1868891874).

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

1066773630 is a wasteful number, since it uses less digits than its factorization.

1066773630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12417 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 1066773630 is about 32661.5007309830. The cubic root of 1066773630 is about 1021.7800616379.

The spelling of 1066773630 in words is "one billion, sixty-six million, seven hundred seventy-three thousand, six hundred thirty".