1066355652 has 24 divisors (see below), whose sum is σ = 2525301856. Its totient is φ = 350146368.

The previous prime is 1066355551. The next prime is 1066355657. The reversal of 1066355652 is 2565536601.

It is a super-2 number, since 2×1066355652² = 2274228753104690208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1066355652.

It is not an unprimeable number, because it can be changed into a prime (1066355657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662353 + ... + 663960.

Almost surely, 2^1066355652 is an apocalyptic number.

1066355652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066355652 is an abundant number, since it is smaller than the sum of its proper divisors (1458946204).

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

1066355652 is a wasteful number, since it uses less digits than its factorization.

1066355652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326387 (or 1326385 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 1066355652 is about 32655.1014697551. The cubic root of 1066355652 is about 1021.6465945912.

The spelling of 1066355652 in words is "one billion, sixty-six million, three hundred fifty-five thousand, six hundred fifty-two".