116551581696 has 380 divisors, whose sum is σ = 380632362000. Its totient is φ = 35247882240.

The previous prime is 116551581677. The next prime is 116551581701. The reversal of 116551581696 is 696185155611.

116551581696 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 51 + 581 + 6 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 233570055 + ... + 233570553.

Almost surely, 2^116551581696 is an apocalyptic number.

116551581696 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 116551581696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190316181000).

116551581696 is an abundant number, since it is smaller than the sum of its proper divisors (264080780304).

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

116551581696 is an frugal number, since it uses more digits than its factorization.

116551581696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 515 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 54.

The spelling of 116551581696 in words is "one hundred sixteen billion, five hundred fifty-one million, five hundred eighty-one thousand, six hundred ninety-six".