169153450000 has 120 divisors (see below), whose sum is σ = 413877275784. Its totient is φ = 66961920000.

The previous prime is 169153449991. The next prime is 169153450003. The reversal of 169153450000 is 54351961.

It can be written as a sum of positive squares in 12 ways, for example, as 165056937984 + 4096512016 = 406272^2 + 64004^2 .

It is a super-2 number, since 2×169153450000² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (169153450003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4832562 + ... + 4867438.

Almost surely, 2^169153450000 is an apocalyptic number.

169153450000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169153450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206938637892).

169153450000 is an abundant number, since it is smaller than the sum of its proper divisors (244723825784).

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

169153450000 is an frugal number, since it uses more digits than its factorization.

169153450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35007 (or 34981 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 169153450000 in words is "one hundred sixty-nine billion, one hundred fifty-three million, four hundred fifty thousand".