168879451429 has 8 divisors (see below), whose sum is σ = 186099718112. Its totient is φ = 152263404720.

The previous prime is 168879451427. The next prime is 168879451453. The reversal of 168879451429 is 924154978861.

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

It is a cyclic number.

It is not a de Polignac number, because 168879451429 - 2¹ = 168879451427 is a prime.

It is a super-2 number, since 2×168879451429² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168879451423) 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, 151054407 + ... + 151055524.

It is an arithmetic number, because the mean of its divisors is an integer number (23262464764).

Almost surely, 2^168879451429 is an apocalyptic number.

It is an amenable number.

168879451429 is a deficient number, since it is larger than the sum of its proper divisors (17220266683).

168879451429 is a wasteful number, since it uses less digits than its factorization.

168879451429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302109987.

The product of its digits is 34836480, while the sum is 64.

The spelling of 168879451429 in words is "one hundred sixty-eight billion, eight hundred seventy-nine million, four hundred fifty-one thousand, four hundred twenty-nine".