1663570327 has 8 divisors (see below), whose sum is σ = 1754121600. Its totient is φ = 1573318584.

The previous prime is 1663570277. The next prime is 1663570351. The reversal of 1663570327 is 7230753661.

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

It is a cyclic number.

It is not a de Polignac number, because 1663570327 - 2⁷ = 1663570199 is a prime.

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 1663570327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663570127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63427 + ... + 85732.

It is an arithmetic number, because the mean of its divisors is an integer number (219265200).

Almost surely, 2^1663570327 is an apocalyptic number.

1663570327 is a deficient number, since it is larger than the sum of its proper divisors (90551273).

1663570327 is a wasteful number, since it uses less digits than its factorization.

1663570327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149765.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 1663570327 is about 40786.8891557079. The cubic root of 1663570327 is about 1184.8964230239.

The spelling of 1663570327 in words is "one billion, six hundred sixty-three million, five hundred seventy thousand, three hundred twenty-seven".