1641464067 has 16 divisors (see below), whose sum is σ = 2227357440. Its totient is φ = 1074986400.

The previous prime is 1641464047. The next prime is 1641464089. The reversal of 1641464067 is 7604641461.

It is not a de Polignac number, because 1641464067 - 2¹⁸ = 1641201923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1641464047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148192 + ... + 158882.

It is an arithmetic number, because the mean of its divisors is an integer number (139209840).

Almost surely, 2^1641464067 is an apocalyptic number.

1641464067 is a deficient number, since it is larger than the sum of its proper divisors (585893373).

1641464067 is a wasteful number, since it uses less digits than its factorization.

1641464067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11594.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1641464067 is about 40514.9857089941. The cubic root of 1641464067 is about 1179.6245255147.

The spelling of 1641464067 in words is "one billion, six hundred forty-one million, four hundred sixty-four thousand, sixty-seven".