1066021602 has 8 divisors (see below), whose sum is σ = 2132043216. Its totient is φ = 355340532.

The previous prime is 1066021559. The next prime is 1066021609. The reversal of 1066021602 is 2061206601.

It is a sphenic number, since it is the product of 3 distinct primes.

1066021602 is an admirable number.

It is a super-2 number, since 2×1066021602² = 2272804111861292808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066021609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88835128 + ... + 88835139.

It is an arithmetic number, because the mean of its divisors is an integer number (266505402).

Almost surely, 2^1066021602 is an apocalyptic number.

1066021602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1066021602 is a wasteful number, since it uses less digits than its factorization.

1066021602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177670272.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1066021602 is about 32649.9862480829. The cubic root of 1066021602 is about 1021.5399020171.

The spelling of 1066021602 in words is "one billion, sixty-six million, twenty-one thousand, six hundred two".