1755320066 has 8 divisors (see below), whose sum is σ = 2633206080. Its totient is φ = 877584708.

The previous prime is 1755320053. The next prime is 1755320087. The reversal of 1755320066 is 6600235571.

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

It is a super-2 number, since 2×1755320066² = 6162297068204488712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646 + ... + 59273.

It is an arithmetic number, because the mean of its divisors is an integer number (329150760).

Almost surely, 2^1755320066 is an apocalyptic number.

1755320066 is a deficient number, since it is larger than the sum of its proper divisors (877886014).

1755320066 is a wasteful number, since it uses less digits than its factorization.

1755320066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75328.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 1755320066 is about 41896.5400242072. The cubic root of 1755320066 is about 1206.2910506187.

The spelling of 1755320066 in words is "one billion, seven hundred fifty-five million, three hundred twenty thousand, sixty-six".