664050070 has 16 divisors (see below), whose sum is σ = 1233848448. Its totient is φ = 257051520.

The previous prime is 664050067. The next prime is 664050113. The reversal of 664050070 is 70050466.

664050070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070739 + ... + 1071358.

It is an arithmetic number, because the mean of its divisors is an integer number (77115528).

Almost surely, 2^664050070 is an apocalyptic number.

664050070 is a deficient number, since it is larger than the sum of its proper divisors (569798378).

664050070 is a wasteful number, since it uses less digits than its factorization.

664050070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142135.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 664050070 is about 25769.1689815562. The cubic root of 664050070 is about 872.4360623421.

The spelling of 664050070 in words is "six hundred sixty-four million, fifty thousand, seventy".