162129830 has 8 divisors (see below), whose sum is σ = 291833712. Its totient is φ = 64851928.

The previous prime is 162129827. The next prime is 162129839. The reversal of 162129830 is 38921261.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162129839) 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, 8106482 + ... + 8106501.

It is an arithmetic number, because the mean of its divisors is an integer number (36479214).

Almost surely, 2^162129830 is an apocalyptic number.

162129830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162129830 is a deficient number, since it is larger than the sum of its proper divisors (129703882).

162129830 is a wasteful number, since it uses less digits than its factorization.

162129830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212990.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 162129830 is about 12733.0212439939. The cubic root of 162129830 is about 545.2817665977.

The spelling of 162129830 in words is "one hundred sixty-two million, one hundred twenty-nine thousand, eight hundred thirty".