1485765566 has 4 divisors (see below), whose sum is σ = 2228648352. Its totient is φ = 742882782.

The previous prime is 1485765563. The next prime is 1485765577. The reversal of 1485765566 is 6655675841.

It is a happy number.

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

It is a super-2 number, since 2×1485765566² = 4414998634222600712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485765563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371441390 + ... + 371441393.

It is an arithmetic number, because the mean of its divisors is an integer number (557162088).

Almost surely, 2^1485765566 is an apocalyptic number.

1485765566 is a deficient number, since it is larger than the sum of its proper divisors (742882786).

1485765566 is an equidigital number, since it uses as much as digits as its factorization.

1485765566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742882785.

The product of its digits is 6048000, while the sum is 53.

The square root of 1485765566 is about 38545.6296614804. The cubic root of 1485765566 is about 1141.0817591670.

The spelling of 1485765566 in words is "one billion, four hundred eighty-five million, seven hundred sixty-five thousand, five hundred sixty-six".