162129433 has 8 divisors (see below), whose sum is σ = 163643400. Its totient is φ = 160621440.

The previous prime is 162129421. The next prime is 162129437. The reversal of 162129433 is 334921261.

162129433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 162129289 = 12^2 + 12733^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162129433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162129395 and 162129404.

It is not an unprimeable number, because it can be changed into a prime (162129437) 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, 66903 + ... + 69283.

It is an arithmetic number, because the mean of its divisors is an integer number (20455425).

Almost surely, 2^162129433 is an apocalyptic number.

It is an amenable number.

162129433 is a deficient number, since it is larger than the sum of its proper divisors (1513967).

162129433 is a wasteful number, since it uses less digits than its factorization.

162129433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987.

The product of its digits is 7776, while the sum is 31.

The square root of 162129433 is about 12733.0056545970. The cubic root of 162129433 is about 545.2813215284.

The spelling of 162129433 in words is "one hundred sixty-two million, one hundred twenty-nine thousand, four hundred thirty-three".