16252066660 has 12 divisors (see below), whose sum is σ = 34129340028. Its totient is φ = 6500826656.

The previous prime is 16252066631. The next prime is 16252066673. The reversal of 16252066660 is 6666025261.

It can be written as a sum of positive squares in 2 ways, for example, as 7946296164 + 8305770496 = 89142^2 + 91136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406301647 + ... + 406301686.

It is an arithmetic number, because the mean of its divisors is an integer number (2844111669).

Almost surely, 2^16252066660 is an apocalyptic number.

16252066660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16252066660 is an abundant number, since it is smaller than the sum of its proper divisors (17877273368).

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

16252066660 is a wasteful number, since it uses less digits than its factorization.

16252066660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812603342 (or 812603340 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 16252066660 in words is "sixteen billion, two hundred fifty-two million, sixty-six thousand, six hundred sixty".