1066451537 has 2 divisors, whose sum is σ = 1066451538. Its totient is φ = 1066451536.

The previous prime is 1066451501. The next prime is 1066451563. The reversal of 1066451537 is 7351546601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055535121 + 10916416 = 32489^2 + 3304^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066451537 - 2¹⁰ = 1066450513 is a prime.

It is a super-3 number, since 3×1066451537³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1066451537.

It is not a weakly prime, because it can be changed into another prime (1066451237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533225768 + 533225769.

It is an arithmetic number, because the mean of its divisors is an integer number (533225769).

Almost surely, 2^1066451537 is an apocalyptic number.

It is an amenable number.

1066451537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066451537 is an equidigital number, since it uses as much as digits as its factorization.

1066451537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1066451537 is about 32656.5695840822. The cubic root of 1066451537 is about 1021.6772152843.

The spelling of 1066451537 in words is "one billion, sixty-six million, four hundred fifty-one thousand, five hundred thirty-seven".