116643520154 has 32 divisors (see below), whose sum is σ = 211768528896. Its totient is φ = 47102909040.

The previous prime is 116643520117. The next prime is 116643520159. The reversal of 116643520154 is 451025346611.

It is not an unprimeable number, because it can be changed into a prime (116643520159) 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, 2681762 + ... + 2724909.

It is an arithmetic number, because the mean of its divisors is an integer number (6617766528).

Almost surely, 2^116643520154 is an apocalyptic number.

116643520154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

116643520154 is a deficient number, since it is larger than the sum of its proper divisors (95125008742).

116643520154 is a wasteful number, since it uses less digits than its factorization.

116643520154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406770.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 116643520154 its reverse (451025346611), we get a palindrome (567668866765).

The spelling of 116643520154 in words is "one hundred sixteen billion, six hundred forty-three million, five hundred twenty thousand, one hundred fifty-four".