1671324816 has 80 divisors (see below), whose sum is σ = 5194112000. Its totient is φ = 452386944.

The previous prime is 1671324773. The next prime is 1671324821. The reversal of 1671324816 is 6184231761.

It is a super-3 number, since 3×1671324816³ (a number of 29 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124516 + ... + 137283.

It is an arithmetic number, because the mean of its divisors is an integer number (64926400).

Almost surely, 2^1671324816 is an apocalyptic number.

1671324816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1671324816 is an abundant number, since it is smaller than the sum of its proper divisors (3522787184).

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

1671324816 is a wasteful number, since it uses less digits than its factorization.

1671324816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261836 (or 261830 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 1671324816 is about 40881.8396846326. The cubic root of 1671324816 is about 1186.7346433868.

The spelling of 1671324816 in words is "one billion, six hundred seventy-one million, three hundred twenty-four thousand, eight hundred sixteen".