166629301429 has 4 divisors (see below), whose sum is σ = 166881388780. Its totient is φ = 166377214080.

The previous prime is 166629301417. The next prime is 166629301453. The reversal of 166629301429 is 924103926661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924103926661 = 79 ⋅11697518059.

It can be written as a sum of positive squares in 2 ways, for example, as 102124984900 + 64504316529 = 319570^2 + 253977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166629301429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166629301499) 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, 126042684 + ... + 126044005.

It is an arithmetic number, because the mean of its divisors is an integer number (41720347195).

Almost surely, 2^166629301429 is an apocalyptic number.

It is an amenable number.

166629301429 is a deficient number, since it is larger than the sum of its proper divisors (252087351).

166629301429 is an equidigital number, since it uses as much as digits as its factorization.

166629301429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252087350.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 166629301429 in words is "one hundred sixty-six billion, six hundred twenty-nine million, three hundred one thousand, four hundred twenty-nine".