16405646060 has 24 divisors (see below), whose sum is σ = 34496689920. Its totient is φ = 6553718784.

The previous prime is 16405646029. The next prime is 16405646087. The reversal of 16405646060 is 6064650461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517964 + ... + 548723.

It is an arithmetic number, because the mean of its divisors is an integer number (1437362080).

Almost surely, 2^16405646060 is an apocalyptic number.

16405646060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16405646060 is an abundant number, since it is smaller than the sum of its proper divisors (18091043860).

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

16405646060 is a wasteful number, since it uses less digits than its factorization.

16405646060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067465 (or 1067463 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 16405646060 in words is "sixteen billion, four hundred five million, six hundred forty-six thousand, sixty".