1664101244 has 96 divisors (see below), whose sum is σ = 3499399680. Its totient is φ = 684972288.

The previous prime is 1664101217. The next prime is 1664101249. The reversal of 1664101244 is 4421014661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664101249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1521962 + ... + 1523054.

It is an arithmetic number, because the mean of its divisors is an integer number (36452080).

Almost surely, 2^1664101244 is an apocalyptic number.

It is an amenable number.

1664101244 is an abundant number, since it is smaller than the sum of its proper divisors (1835298436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1664101244 is a wasteful number, since it uses less digits than its factorization.

1664101244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1664101244 is about 40793.3970637406. The cubic root of 1664101244 is about 1185.0224601249.

The spelling of 1664101244 in words is "one billion, six hundred sixty-four million, one hundred one thousand, two hundred forty-four".