1742257143166 has 8 divisors (see below), whose sum is σ = 2613484669824. Its totient is φ = 871095586560.

The previous prime is 1742257143127. The next prime is 1742257143169. The reversal of 1742257143166 is 6613417522471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742257143169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16426435 + ... + 16532158.

It is an arithmetic number, because the mean of its divisors is an integer number (326685583728).

Almost surely, 2^{1742257143166} is an apocalyptic number.

1742257143166 is a deficient number, since it is larger than the sum of its proper divisors (871227526658).

1742257143166 is a wasteful number, since it uses less digits than its factorization.

1742257143166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32985026.

The product of its digits is 1693440, while the sum is 49.

The spelling of 1742257143166 in words is "one trillion, seven hundred forty-two billion, two hundred fifty-seven million, one hundred forty-three thousand, one hundred sixty-six".