1671178896 has 120 divisors (see below), whose sum is σ = 5137379520. Its totient is φ = 504776448.

The previous prime is 1671178879. The next prime is 1671178933. The reversal of 1671178896 is 6988711761.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 49650 + ... + 76206.

It is an arithmetic number, because the mean of its divisors is an integer number (42811496).

Almost surely, 2^1671178896 is an apocalyptic number.

1671178896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671178896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2568689760).

1671178896 is an abundant number, since it is smaller than the sum of its proper divisors (3466200624).

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

1671178896 is a wasteful number, since it uses less digits than its factorization.

1671178896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26613 (or 26604 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 54.

The square root of 1671178896 is about 40880.0549901783. The cubic root of 1671178896 is about 1186.7001052452.

The spelling of 1671178896 in words is "one billion, six hundred seventy-one million, one hundred seventy-eight thousand, eight hundred ninety-six".