1066436472 has 64 divisors (see below), whose sum is σ = 2729376000. Its totient is φ = 347137280.

The previous prime is 1066436461. The next prime is 1066436509. The reversal of 1066436472 is 2746346601.

It is a happy number.

It is a super-2 number, since 2×1066436472² = 2274573497623613568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066436472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179404 + ... + 185252.

It is an arithmetic number, because the mean of its divisors is an integer number (42646500).

Almost surely, 2^1066436472 is an apocalyptic number.

1066436472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066436472 is an abundant number, since it is smaller than the sum of its proper divisors (1662939528).

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

1066436472 is a wasteful number, since it uses less digits than its factorization.

1066436472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036 (or 6032 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 1066436472 is about 32656.3389252378. The cubic root of 1066436472 is about 1021.6724044267.

The spelling of 1066436472 in words is "one billion, sixty-six million, four hundred thirty-six thousand, four hundred seventy-two".