1671480864 has 144 divisors (see below), whose sum is σ = 4934913984. Its totient is φ = 536256000.

The previous prime is 1671480857. The next prime is 1671480869. The reversal of 1671480864 is 4680841761.

1671480864 is a `hidden beast` number, since 167 + 1 + 480 + 8 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1671480869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 878314 + ... + 880214.

It is an arithmetic number, because the mean of its divisors is an integer number (34270236).

Almost surely, 2^1671480864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671480864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467456992).

1671480864 is an abundant number, since it is smaller than the sum of its proper divisors (3263433120).

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

1671480864 is a wasteful number, since it uses less digits than its factorization.

1671480864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 1671480864 is about 40883.7481647659. The cubic root of 1671480864 is about 1186.7715765236.

The spelling of 1671480864 in words is "one billion, six hundred seventy-one million, four hundred eighty thousand, eight hundred sixty-four".