166652317743 has 8 divisors (see below), whose sum is σ = 222371303856. Its totient is φ = 111017438400.

The previous prime is 166652317729. The next prime is 166652317813. The reversal of 166652317743 is 347713256661.

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

It is not a de Polignac number, because 166652317743 - 2⁶ = 166652317679 is a prime.

It is a super-2 number, since 2×166652317743² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166652317703) 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, 21022068 + ... + 21029993.

It is an arithmetic number, because the mean of its divisors is an integer number (27796412982).

Almost surely, 2^166652317743 is an apocalyptic number.

166652317743 is a deficient number, since it is larger than the sum of its proper divisors (55718986113).

166652317743 is a wasteful number, since it uses less digits than its factorization.

166652317743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42053385.

The product of its digits is 3810240, while the sum is 51.

The spelling of 166652317743 in words is "one hundred sixty-six billion, six hundred fifty-two million, three hundred seventeen thousand, seven hundred forty-three".