1669050464 has 96 divisors (see below), whose sum is σ = 3495623040. Its totient is φ = 783433728.

The previous prime is 1669050443. The next prime is 1669050473. The reversal of 1669050464 is 4640509661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952504 + ... + 4952840.

It is an arithmetic number, because the mean of its divisors is an integer number (36412740).

Almost surely, 2^1669050464 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 1669050464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747811520).

1669050464 is an abundant number, since it is smaller than the sum of its proper divisors (1826572576).

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

1669050464 is a wasteful number, since it uses less digits than its factorization.

1669050464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1669050464 is about 40854.0140500294. The cubic root of 1669050464 is about 1186.1960930688.

The spelling of 1669050464 in words is "one billion, six hundred sixty-nine million, fifty thousand, four hundred sixty-four".