1610969344 has 72 divisors (see below), whose sum is σ = 3365916120. Its totient is φ = 768688128.

The previous prime is 1610969333. The next prime is 1610969357. The reversal of 1610969344 is 4439690161.

It can be written as a sum of positive squares in 4 ways, for example, as 775065600 + 835903744 = 27840^2 + 28912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1610969344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500412 + ... + 503620.

It is an arithmetic number, because the mean of its divisors is an integer number (46748835).

Almost surely, 2^1610969344 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 1610969344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682958060).

1610969344 is an abundant number, since it is smaller than the sum of its proper divisors (1754946776).

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

1610969344 is an equidigital number, since it uses as much as digits as its factorization.

1610969344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1610969344 is about 40136.8825894588. The cubic root of 1610969344 is about 1172.2738898687.

It can be divided in two parts, 16 and 10969344, that multiplied together give a square (175509504 = 13248²).

The spelling of 1610969344 in words is "one billion, six hundred ten million, nine hundred sixty-nine thousand, three hundred forty-four".