11620065600 has 1512 divisors, whose sum is σ = 53367452320. Its totient is φ = 2463436800.

The previous prime is 11620065559. The next prime is 11620065601. The reversal of 11620065600 is 656002611.

It is a happy number.

11620065600 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 0 + 0 + 656 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11620065601) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 611582391 + ... + 611582409.

Almost surely, 2^11620065600 is an apocalyptic number.

11620065600 is a gapful number since it is divisible by the number (10) 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 11620065600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26683726160).

11620065600 is an abundant number, since it is smaller than the sum of its proper divisors (41747386720).

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

11620065600 is a wasteful number, since it uses less digits than its factorization.

11620065600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 11620065600 in words is "eleven billion, six hundred twenty million, sixty-five thousand, six hundred".