1066702620 has 24 divisors (see below), whose sum is σ = 2986767504. Its totient is φ = 284454016.

The previous prime is 1066702619. The next prime is 1066702633. The reversal of 1066702620 is 262076601.

It is a super-2 number, since 2×1066702620² = 2275708959029728800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8889129 + ... + 8889248.

It is an arithmetic number, because the mean of its divisors is an integer number (124448646).

Almost surely, 2^1066702620 is an apocalyptic number.

1066702620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066702620 is an abundant number, since it is smaller than the sum of its proper divisors (1920064884).

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

1066702620 is a wasteful number, since it uses less digits than its factorization.

1066702620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778389 (or 17778387 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1066702620 is about 32660.4136532286. The cubic root of 1066702620 is about 1021.7573894701.

The spelling of 1066702620 in words is "one billion, sixty-six million, seven hundred two thousand, six hundred twenty".