168029473 has 4 divisors (see below), whose sum is σ = 168188608. Its totient is φ = 167870340.

The previous prime is 168029471. The next prime is 168029489. The reversal of 168029473 is 374920861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168029473 - 2¹ = 168029471 is a prime.

It is a super-4 number, since 4×168029473⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168029471) 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, 77973 + ... + 80098.

It is an arithmetic number, because the mean of its divisors is an integer number (42047152).

Almost surely, 2^168029473 is an apocalyptic number.

It is an amenable number.

168029473 is a deficient number, since it is larger than the sum of its proper divisors (159135).

168029473 is a wasteful number, since it uses less digits than its factorization.

168029473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159134.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 168029473 is about 12962.6182926136. The cubic root of 168029473 is about 551.8171007594.

The spelling of 168029473 in words is "one hundred sixty-eight million, twenty-nine thousand, four hundred seventy-three".