1066645464 has 16 divisors (see below), whose sum is σ = 2666613720. Its totient is φ = 355548480.

The previous prime is 1066645429. The next prime is 1066645477. The reversal of 1066645464 is 4645466601.

It is a super-2 number, since 2×1066645464² = 2275465091743550592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22221757 + ... + 22221804.

Almost surely, 2^1066645464 is an apocalyptic number.

It is an amenable number.

1066645464 is an abundant number, since it is smaller than the sum of its proper divisors (1599968256).

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

1066645464 is a wasteful number, since it uses less digits than its factorization.

1066645464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44443570 (or 44443566 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 1066645464 is about 32659.5386372802. The cubic root of 1066645464 is about 1021.7391398951.

The spelling of 1066645464 in words is "one billion, sixty-six million, six hundred forty-five thousand, four hundred sixty-four".