16002662636240 has 120 divisors (see below), whose sum is σ = 43766971357320. Its totient is φ = 5424979574784.

The previous prime is 16002662636171. The next prime is 16002662636249. The reversal of 16002662636240 is 4263626620061.

It can be written as a sum of positive squares in 4 ways, for example, as 1101148014736 + 14901514621504 = 1049356^2 + 3860248^2 .

It is a super-2 number, since 2×16002662636240² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16002662636191 and 16002662636200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16002662636249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22585457 + ... + 23283216.

It is an arithmetic number, because the mean of its divisors is an integer number (364724761311).

Almost surely, 2^{16002662636240} is an apocalyptic number.

16002662636240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16002662636240 is an abundant number, since it is smaller than the sum of its proper divisors (27764308721080).

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

16002662636240 is a wasteful number, since it uses less digits than its factorization.

16002662636240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45868789 (or 45868776 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 16002662636240 in words is "sixteen trillion, two billion, six hundred sixty-two million, six hundred thirty-six thousand, two hundred forty".