1660574344 has 64 divisors (see below), whose sum is σ = 3743087040. Its totient is φ = 680520960.

The previous prime is 1660574329. The next prime is 1660574347. The reversal of 1660574344 is 4434750661.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1660574297 and 1660574306.

It is not an unprimeable number, because it can be changed into a prime (1660574347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32314 + ... + 66070.

It is an arithmetic number, because the mean of its divisors is an integer number (58485735).

Almost surely, 2^1660574344 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 1660574344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871543520).

1660574344 is an abundant number, since it is smaller than the sum of its proper divisors (2082512696).

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

1660574344 is a wasteful number, since it uses less digits than its factorization.

1660574344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33830 (or 33826 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 1660574344 is about 40750.1453248942. The cubic root of 1660574344 is about 1184.1846882124.

The spelling of 1660574344 in words is "one billion, six hundred sixty million, five hundred seventy-four thousand, three hundred forty-four".