16546451040 has 192 divisors, whose sum is σ = 66185925120. Its totient is φ = 3782039040.

The previous prime is 16546451039. The next prime is 16546451071. The reversal of 16546451040 is 4015464561.

16546451040 is a `hidden beast` number, since 1 + 6 + 5 + 4 + 645 + 1 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16546450986 and 16546451004.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 243346 + ... + 303825.

It is an arithmetic number, because the mean of its divisors is an integer number (344718360).

Almost surely, 2^16546451040 is an apocalyptic number.

16546451040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16546451040 is an abundant number, since it is smaller than the sum of its proper divisors (49639474080).

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

16546451040 is a wasteful number, since it uses less digits than its factorization.

16546451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547202 (or 547188 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 16546451040 in words is "sixteen billion, five hundred forty-six million, four hundred fifty-one thousand, forty".