1172896164 has 144 divisors (see below), whose sum is σ = 3483829440. Its totient is φ = 328734720.

The previous prime is 1172896117. The next prime is 1172896177. The reversal of 1172896164 is 4616982711.

1172896164 is a `hidden beast` number, since 1 + 1 + 7 + 28 + 9 + 616 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395712 + ... + 398664.

It is an arithmetic number, because the mean of its divisors is an integer number (24193260).

Almost surely, 2^1172896164 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 1172896164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741914720).

1172896164 is an abundant number, since it is smaller than the sum of its proper divisors (2310933276).

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

1172896164 is a wasteful number, since it uses less digits than its factorization.

1172896164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3045 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 1172896164 is about 34247.5716511405. The cubic root of 1172896164 is about 1054.5969767021.

The spelling of 1172896164 in words is "one billion, one hundred seventy-two million, eight hundred ninety-six thousand, one hundred sixty-four".