16466596065920 has 768 divisors, whose sum is σ = 53220499200000. Its totient is φ = 4730892042240.

The previous prime is 16466596065919. The next prime is 16466596065937. The reversal of 16466596065920 is 2956069566461.

It is a super-2 number, since 2×16466596065920² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10985053331 + ... + 10985054829.

It is an arithmetic number, because the mean of its divisors is an integer number (69297525000).

Almost surely, 2^{16466596065920} is an apocalyptic number.

16466596065920 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 16466596065920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26610249600000).

16466596065920 is an abundant number, since it is smaller than the sum of its proper divisors (36753903134080).

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

16466596065920 is a wasteful number, since it uses less digits than its factorization.

16466596065920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 125971200, while the sum is 65.

The spelling of 16466596065920 in words is "sixteen trillion, four hundred sixty-six billion, five hundred ninety-six million, sixty-five thousand, nine hundred twenty".