1066626750 has 384 divisors, whose sum is σ = 3494200320. Its totient is φ = 211507200.

The previous prime is 1066626629. The next prime is 1066626751. The reversal of 1066626750 is 576266601.

It is a super-2 number, since 2×1066626750² = 2275385247631125000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066626699 and 1066626708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066626751) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28827732 + ... + 28827768.

It is an arithmetic number, because the mean of its divisors is an integer number (9099480).

Almost surely, 2^1066626750 is an apocalyptic number.

1066626750 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 1066626750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747100160).

1066626750 is an abundant number, since it is smaller than the sum of its proper divisors (2427573570).

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

1066626750 is a wasteful number, since it uses less digits than its factorization.

1066626750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1066626750 is about 32659.2521347321. The cubic root of 1066626750 is about 1021.7331644832.

The spelling of 1066626750 in words is "one billion, sixty-six million, six hundred twenty-six thousand, seven hundred fifty".