16061143449600 has 1380 divisors, whose sum is σ = 62427879076288. Its totient is φ = 4076863488000.

The previous prime is 16061143449599. The next prime is 16061143449653. The reversal of 16061143449600 is 694434116061.

16061143449600 is a `hidden beast` number, since 1 + 6 + 0 + 6 + 1 + 1 + 4 + 34 + 4 + 9 + 600 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 263297433570 + ... + 263297433630.

Almost surely, 2^{16061143449600} is an apocalyptic number.

16061143449600 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 16061143449600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31213939538144).

16061143449600 is an abundant number, since it is smaller than the sum of its proper divisors (46366735626688).

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

16061143449600 is an frugal number, since it uses more digits than its factorization.

16061143449600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 16061143449600 in words is "sixteen trillion, sixty-one billion, one hundred forty-three million, four hundred forty-nine thousand, six hundred".