1066737538 has 8 divisors (see below), whose sum is σ = 1601053200. Its totient is φ = 533053140.

The previous prime is 1066737527. The next prime is 1066737563. The reversal of 1066737538 is 8357376601.

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

It is a super-2 number, since 2×1066737538² = 2275857949956602888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153568 + ... + 160363.

It is an arithmetic number, because the mean of its divisors is an integer number (200131650).

Almost surely, 2^1066737538 is an apocalyptic number.

1066737538 is a deficient number, since it is larger than the sum of its proper divisors (534315662).

1066737538 is a wasteful number, since it uses less digits than its factorization.

1066737538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315632.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 1066737538 is about 32660.9482103628. The cubic root of 1066737538 is about 1021.7685382616.

It can be divided in two parts, 10667 and 37538, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 1066737538 in words is "one billion, sixty-six million, seven hundred thirty-seven thousand, five hundred thirty-eight".