1171672896 has 56 divisors (see below), whose sum is σ = 3134928960. Its totient is φ = 386163712.

The previous prime is 1171672871. The next prime is 1171672897. The reversal of 1171672896 is 6982761711.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171672897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17196 + ... + 51371.

Almost surely, 2^1171672896 is an apocalyptic number.

1171672896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1171672896 is an abundant number, since it is smaller than the sum of its proper divisors (1963256064).

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

1171672896 is an equidigital number, since it uses as much as digits as its factorization.

1171672896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68671 (or 68661 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 1171672896 is about 34229.7077989281. The cubic root of 1171672896 is about 1054.2302197461.

The spelling of 1171672896 in words is "one billion, one hundred seventy-one million, six hundred seventy-two thousand, eight hundred ninety-six".