1066737537 has 24 divisors (see below), whose sum is σ = 1604591040. Its totient is φ = 682063200.

The previous prime is 1066737527. The next prime is 1066737563. The reversal of 1066737537 is 7357376601.

It is a happy number.

1066737537 is a `hidden beast` number, since 106 + 6 + 7 + 3 + 7 + 537 = 666.

It is not a de Polignac number, because 1066737537 - 2⁷ = 1066737409 is a prime.

It is a super-2 number, since 2×1066737537² = 2275857945689652738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066737492 and 1066737501.

It is not an unprimeable number, because it can be changed into a prime (1066737527) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25878 + ... + 52944.

It is an arithmetic number, because the mean of its divisors is an integer number (66857960).

Almost surely, 2^1066737537 is an apocalyptic number.

It is an amenable number.

1066737537 is a deficient number, since it is larger than the sum of its proper divisors (537853503).

1066737537 is a wasteful number, since it uses less digits than its factorization.

1066737537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27253 (or 27250 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 45.

The square root of 1066737537 is about 32660.9481950540. The cubic root of 1066737537 is about 1021.7685379423.

The spelling of 1066737537 in words is "one billion, sixty-six million, seven hundred thirty-seven thousand, five hundred thirty-seven".