1664350201 has 16 divisors (see below), whose sum is σ = 1857936960. Its totient is φ = 1481656320.

The previous prime is 1664350199. The next prime is 1664350211. The reversal of 1664350201 is 1020534661.

It is a cyclic number.

It is not a de Polignac number, because 1664350201 - 2¹ = 1664350199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1664350201.

It is not an unprimeable number, because it can be changed into a prime (1664350211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219465 + ... + 226921.

It is an arithmetic number, because the mean of its divisors is an integer number (116121060).

Almost surely, 2^1664350201 is an apocalyptic number.

It is an amenable number.

1664350201 is a deficient number, since it is larger than the sum of its proper divisors (193586759).

1664350201 is a wasteful number, since it uses less digits than its factorization.

1664350201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1664350201 is about 40796.4483870839. The cubic root of 1664350201 is about 1185.0815520675.

Adding to 1664350201 its reverse (1020534661), we get a palindrome (2684884862).

The spelling of 1664350201 in words is "one billion, six hundred sixty-four million, three hundred fifty thousand, two hundred one".