1178998016 has 144 divisors (see below), whose sum is σ = 2845248000. Its totient is φ = 486807552.

The previous prime is 1178997973. The next prime is 1178998019. The reversal of 1178998016 is 6108998711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178998019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2546201 + ... + 2546663.

Almost surely, 2^1178998016 is an apocalyptic number.

1178998016 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 1178998016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422624000).

1178998016 is an abundant number, since it is smaller than the sum of its proper divisors (1666249984).

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

1178998016 is an frugal number, since it uses more digits than its factorization.

1178998016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 50.

The square root of 1178998016 is about 34336.5405362858. The cubic root of 1178998016 is about 1056.4226193329.

The spelling of 1178998016 in words is "one billion, one hundred seventy-eight million, nine hundred ninety-eight thousand, sixteen".