16545655415450 has 288 divisors, whose sum is σ = 37462083880320. Its totient is φ = 5417001408000.

The previous prime is 16545655415437. The next prime is 16545655415461. The reversal of 16545655415450 is 5451455654561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 773765459 + ... + 773786841.

It is an arithmetic number, because the mean of its divisors is an integer number (130076680140).

Almost surely, 2^{16545655415450} is an apocalyptic number.

16545655415450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16545655415450 is an abundant number, since it is smaller than the sum of its proper divisors (20916428464870).

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

16545655415450 is a wasteful number, since it uses less digits than its factorization.

16545655415450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21622 (or 21610 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 56.

The spelling of 16545655415450 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, four hundred fifteen thousand, four hundred fifty".