1664341016 has 32 divisors (see below), whose sum is σ = 3406740960. Its totient is φ = 757631232.

The previous prime is 1664341013. The next prime is 1664341031. The reversal of 1664341016 is 6101434661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664341013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102020 + ... + 117203.

It is an arithmetic number, because the mean of its divisors is an integer number (106460655).

Almost surely, 2^1664341016 is an apocalyptic number.

It is an amenable number.

1664341016 is an abundant number, since it is smaller than the sum of its proper divisors (1742399944).

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

1664341016 is a wasteful number, since it uses less digits than its factorization.

1664341016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219315 (or 219311 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1664341016 is about 40796.3358158548. The cubic root of 1664341016 is about 1185.0793720387.

Adding to 1664341016 its reverse (6101434661), we get a palindrome (7765775677).

The spelling of 1664341016 in words is "one billion, six hundred sixty-four million, three hundred forty-one thousand, sixteen".