116622505640 has 32 divisors (see below), whose sum is σ = 262680765480. Its totient is φ = 46599201792.

The previous prime is 116622505633. The next prime is 116622505661. The reversal of 116622505640 is 46505226611.

It can be written as a sum of positive squares in 4 ways, for example, as 29338893796 + 87283611844 = 171286^2 + 295438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 116622505594 and 116622505603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518317 + ... + 1593276.

Almost surely, 2^116622505640 is an apocalyptic number.

116622505640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116622505640 is an abundant number, since it is smaller than the sum of its proper divisors (146058259840).

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

116622505640 is a wasteful number, since it uses less digits than its factorization.

116622505640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112541 (or 3112537 counting only the distinct ones).

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

The spelling of 116622505640 in words is "one hundred sixteen billion, six hundred twenty-two million, five hundred five thousand, six hundred forty".