16045653335040 has 792 divisors, whose sum is σ = 64748248091280. Its totient is φ = 3663422816256.

The previous prime is 16045653335017. The next prime is 16045653335093. The reversal of 16045653335040 is 4053335654061.

16045653335040 is a `hidden beast` number, since 1 + 6 + 0 + 4 + 565 + 3 + 33 + 50 + 4 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2278237759 + ... + 2278244801.

Almost surely, 2^{16045653335040} is an apocalyptic number.

16045653335040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16045653335040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32374124045640).

16045653335040 is an abundant number, since it is smaller than the sum of its proper divisors (48702594756240).

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

16045653335040 is a wasteful number, since it uses less digits than its factorization.

16045653335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8097 (or 8069 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 16045653335040 in words is "sixteen trillion, forty-five billion, six hundred fifty-three million, three hundred thirty-five thousand, forty".