16442066375745 has 32 divisors (see below), whose sum is σ = 26383001184000. Its totient is φ = 8743895752704.

The previous prime is 16442066375699. The next prime is 16442066375753. The reversal of 16442066375745 is 54757366024461.

It is not a de Polignac number, because 16442066375745 - 2⁶ = 16442066375681 is a prime.

It is a super-3 number, since 3×16442066375745³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9601021 + ... + 11183189.

It is an arithmetic number, because the mean of its divisors is an integer number (824468787000).

Almost surely, 2^{16442066375745} is an apocalyptic number.

16442066375745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16442066375745 is a deficient number, since it is larger than the sum of its proper divisors (9940934808255).

16442066375745 is a wasteful number, since it uses less digits than its factorization.

16442066375745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584169.

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 16442066375745 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, three hundred seventy-five thousand, seven hundred forty-five".