16660255065542 has 16 divisors (see below), whose sum is σ = 27305440395264. Its totient is φ = 7560841869000.

The previous prime is 16660255065541. The next prime is 16660255065583. The reversal of 16660255065542 is 24556055206661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660255065541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600052934 + ... + 600080697.

It is an arithmetic number, because the mean of its divisors is an integer number (1706590024704).

Almost surely, 2^{16660255065542} is an apocalyptic number.

16660255065542 is a deficient number, since it is larger than the sum of its proper divisors (10645185329722).

16660255065542 is a wasteful number, since it uses less digits than its factorization.

16660255065542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200134275.

The product of its (nonzero) digits is 12960000, while the sum is 53.

The spelling of 16660255065542 in words is "sixteen trillion, six hundred sixty billion, two hundred fifty-five million, sixty-five thousand, five hundred forty-two".