664250036 has 12 divisors (see below), whose sum is σ = 1163920128. Its totient is φ = 331701432.

The previous prime is 664250029. The next prime is 664250053. The reversal of 664250036 is 630052466.

It is a super-2 number, since 2×664250036² = 882456220652002592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 664249984 and 664250011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102356 + ... + 108651.

It is an arithmetic number, because the mean of its divisors is an integer number (96993344).

Almost surely, 2^664250036 is an apocalyptic number.

It is an amenable number.

664250036 is a deficient number, since it is larger than the sum of its proper divisors (499670092).

664250036 is a wasteful number, since it uses less digits than its factorization.

664250036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211798 (or 211796 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 664250036 is about 25773.0486361237. The cubic root of 664250036 is about 872.5236260409.

The spelling of 664250036 in words is "six hundred sixty-four million, two hundred fifty thousand, thirty-six".