1066664053 has 32 divisors (see below), whose sum is σ = 1343188224. Its totient is φ = 824643072.

The previous prime is 1066664041. The next prime is 1066664057. The reversal of 1066664053 is 3504666601.

It is a cyclic number.

It is not a de Polignac number, because 1066664053 - 2⁹ = 1066663541 is a prime.

It is a super-2 number, since 2×1066664053² = 2275544403924773618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066664057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834651 + ... + 835927.

It is an arithmetic number, because the mean of its divisors is an integer number (41974632).

Almost surely, 2^1066664053 is an apocalyptic number.

1066664053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1066664053 is a deficient number, since it is larger than the sum of its proper divisors (276524171).

1066664053 is a wasteful number, since it uses less digits than its factorization.

1066664053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1066664053 is about 32659.8232236490. The cubic root of 1066664053 is about 1021.7450753251.

The spelling of 1066664053 in words is "one billion, sixty-six million, six hundred sixty-four thousand, fifty-three".