1066170737 has 4 divisors (see below), whose sum is σ = 1086287220. Its totient is φ = 1046054256.

The previous prime is 1066170733. The next prime is 1066170739. The reversal of 1066170737 is 7370716601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 948578401 + 117592336 = 30799^2 + 10844^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066170737 - 2² = 1066170733 is a prime.

It is a super-2 number, since 2×1066170737² = 2273440080870246338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066170737.

It is not an unprimeable number, because it can be changed into a prime (1066170733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10058162 + ... + 10058267.

It is an arithmetic number, because the mean of its divisors is an integer number (271571805).

Almost surely, 2^1066170737 is an apocalyptic number.

It is an amenable number.

1066170737 is a deficient number, since it is larger than the sum of its proper divisors (20116483).

1066170737 is an equidigital number, since it uses as much as digits as its factorization.

1066170737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20116482.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 1066170737 is about 32652.2700129715. The cubic root of 1066170737 is about 1021.5875371523.

The spelling of 1066170737 in words is "one billion, sixty-six million, one hundred seventy thousand, seven hundred thirty-seven".