169949094450 has 96 divisors (see below), whose sum is σ = 424060656000. Its totient is φ = 45042117120.

The previous prime is 169949094409. The next prime is 169949094461. The reversal of 169949094450 is 54490949961.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32623446 + ... + 32628654.

It is an arithmetic number, because the mean of its divisors is an integer number (4417298500).

Almost surely, 2^169949094450 is an apocalyptic number.

169949094450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 169949094450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212030328000).

169949094450 is an abundant number, since it is smaller than the sum of its proper divisors (254111561550).

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

169949094450 is a wasteful number, since it uses less digits than its factorization.

169949094450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516 (or 6511 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 169949094450 in words is "one hundred sixty-nine billion, nine hundred forty-nine million, ninety-four thousand, four hundred fifty".