113621662650 has 96 divisors (see below), whose sum is σ = 283162733568. Its totient is φ = 30150993600.

The previous prime is 113621662591. The next prime is 113621662663. The reversal of 113621662650 is 56266126311.

It is a junction number, because it is equal to n+sod(n) for n = 113621662599 and 113621662608.

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, 29718639 + ... + 29722461.

It is an arithmetic number, because the mean of its divisors is an integer number (2949611808).

Almost surely, 2^113621662650 is an apocalyptic number.

113621662650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113621662650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141581366784).

113621662650 is an abundant number, since it is smaller than the sum of its proper divisors (169541070918).

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

113621662650 is a wasteful number, since it uses less digits than its factorization.

113621662650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

Adding to 113621662650 its reverse (56266126311), we get a palindrome (169887788961).

The spelling of 113621662650 in words is "one hundred thirteen billion, six hundred twenty-one million, six hundred sixty-two thousand, six hundred fifty".