169929799312 has 240 divisors, whose sum is σ = 453049752960. Its totient is φ = 60916230144.

The previous prime is 169929799307. The next prime is 169929799313. The reversal of 169929799312 is 213997929961.

It is a super-2 number, since 2×169929799312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (169929799313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4434828 + ... + 4472980.

It is an arithmetic number, because the mean of its divisors is an integer number (1887707304).

Almost surely, 2^169929799312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169929799312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226524876480).

169929799312 is an abundant number, since it is smaller than the sum of its proper divisors (283119953648).

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

169929799312 is a wasteful number, since it uses less digits than its factorization.

169929799312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38230 (or 38217 counting only the distinct ones).

The product of its digits is 29760696, while the sum is 67.

The spelling of 169929799312 in words is "one hundred sixty-nine billion, nine hundred twenty-nine million, seven hundred ninety-nine thousand, three hundred twelve".