1664593030 has 32 divisors (see below), whose sum is σ = 3202815168. Its totient is φ = 621350400.

The previous prime is 1664592977. The next prime is 1664593057. The reversal of 1664593030 is 303954661.

It is a super-3 number, since 3×1664593030³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78831 + ... + 97690.

It is an arithmetic number, because the mean of its divisors is an integer number (100087974).

Almost surely, 2^1664593030 is an apocalyptic number.

1664593030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1664593030 is a deficient number, since it is larger than the sum of its proper divisors (1538222138).

1664593030 is a wasteful number, since it uses less digits than its factorization.

1664593030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176592.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1664593030 is about 40799.4243831944. The cubic root of 1664593030 is about 1185.1391838035.

The spelling of 1664593030 in words is "one billion, six hundred sixty-four million, five hundred ninety-three thousand, thirty".