172838616630 has 32 divisors (see below), whose sum is σ = 414846628704. Its totient is φ = 46086525696.

The previous prime is 172838616607. The next prime is 172838616637. The reversal of 172838616630 is 36616838271.

It is a super-2 number, since 2×172838616630² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172838616637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147112 + ... + 606068.

It is an arithmetic number, because the mean of its divisors is an integer number (12963957147).

Almost surely, 2^172838616630 is an apocalyptic number.

172838616630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172838616630 is an abundant number, since it is smaller than the sum of its proper divisors (242008012074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172838616630 is a wasteful number, since it uses less digits than its factorization.

172838616630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471520.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 172838616630 in words is "one hundred seventy-two billion, eight hundred thirty-eight million, six hundred sixteen thousand, six hundred thirty".