11620165488 has 80 divisors (see below), whose sum is σ = 31012300800. Its totient is φ = 3745393920.

The previous prime is 11620165451. The next prime is 11620165493. The reversal of 11620165488 is 88456102611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481133 + ... + 2485811.

It is an arithmetic number, because the mean of its divisors is an integer number (387653760).

Almost surely, 2^11620165488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11620165488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15506150400).

11620165488 is an abundant number, since it is smaller than the sum of its proper divisors (19392135312).

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

11620165488 is a wasteful number, since it uses less digits than its factorization.

11620165488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6390 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 11620165488 in words is "eleven billion, six hundred twenty million, one hundred sixty-five thousand, four hundred eighty-eight".