11620163520 has 336 divisors, whose sum is σ = 45803759040. Its totient is φ = 2648752128.

The previous prime is 11620163519. The next prime is 11620163549. The reversal of 11620163520 is 2536102611.

11620163520 is a `hidden beast` number, since 1 + 1 + 6 + 2 + 0 + 1 + 635 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

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, 11470534 + ... + 11471546.

Almost surely, 2^11620163520 is an apocalyptic number.

11620163520 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 11620163520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22901879520).

11620163520 is an abundant number, since it is smaller than the sum of its proper divisors (34183595520).

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

11620163520 is a wasteful number, since it uses less digits than its factorization.

11620163520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1599 counting only the distinct ones).

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

The spelling of 11620163520 in words is "eleven billion, six hundred twenty million, one hundred sixty-three thousand, five hundred twenty".