16546642560 has 192 divisors, whose sum is σ = 65300302080. Its totient is φ = 3782080512.

The previous prime is 16546642531. The next prime is 16546642561. The reversal of 16546642560 is 6524664561.

16546642560 is a `hidden beast` number, since 1 + 6 + 5 + 46 + 6 + 42 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16546642561) 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, 164872 + ... + 245511.

It is an arithmetic number, because the mean of its divisors is an integer number (340105740).

Almost surely, 2^16546642560 is an apocalyptic number.

16546642560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16546642560 is an abundant number, since it is smaller than the sum of its proper divisors (48753659520).

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

16546642560 is a wasteful number, since it uses less digits than its factorization.

16546642560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410415 (or 410400 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 16546642560 in words is "sixteen billion, five hundred forty-six million, six hundred forty-two thousand, five hundred sixty".