1663701584 has 10 divisors (see below), whose sum is σ = 3223421850. Its totient is φ = 831850784.

The previous prime is 1663701581. The next prime is 1663701587. The reversal of 1663701584 is 4851073661.

It is an interprime number because it is at equal distance from previous prime (1663701581) and next prime (1663701587).

It can be written as a sum of positive squares in only one way, i.e., 1662355984 + 1345600 = 40772^2 + 1160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663701581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51990659 + ... + 51990690.

It is an arithmetic number, because the mean of its divisors is an integer number (322342185).

Almost surely, 2^1663701584 is an apocalyptic number.

It is an amenable number.

1663701584 is a deficient number, since it is larger than the sum of its proper divisors (1559720266).

1663701584 is a wasteful number, since it uses less digits than its factorization.

1663701584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103981357 (or 103981351 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1663701584 is about 40788.4981826985. The cubic root of 1663701584 is about 1184.9275852892.

The spelling of 1663701584 in words is "one billion, six hundred sixty-three million, seven hundred one thousand, five hundred eighty-four".