1066636534 has 8 divisors (see below), whose sum is σ = 1603015560. Its totient is φ = 532298016.

The previous prime is 1066636513. The next prime is 1066636537. The reversal of 1066636534 is 4356366601.

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

It is a super-2 number, since 2×1066636534² = 2275426991327066312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066636537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508819 + ... + 510910.

It is an arithmetic number, because the mean of its divisors is an integer number (200376945).

Almost surely, 2^1066636534 is an apocalyptic number.

1066636534 is a deficient number, since it is larger than the sum of its proper divisors (536379026).

1066636534 is a wasteful number, since it uses less digits than its factorization.

1066636534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020254.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 1066636534 is about 32659.4019234890. The cubic root of 1066636534 is about 1021.7362885397.

The spelling of 1066636534 in words is "one billion, sixty-six million, six hundred thirty-six thousand, five hundred thirty-four".