1660343448 has 16 divisors (see below), whose sum is σ = 4150858680. Its totient is φ = 553447808.

The previous prime is 1660343441. The next prime is 1660343491. The reversal of 1660343448 is 8443430661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660343441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34590465 + ... + 34590512.

Almost surely, 2^1660343448 is an apocalyptic number.

It is an amenable number.

1660343448 is an abundant number, since it is smaller than the sum of its proper divisors (2490515232).

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

1660343448 is a wasteful number, since it uses less digits than its factorization.

1660343448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69180986 (or 69180982 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 1660343448 is about 40747.3121567546. The cubic root of 1660343448 is about 1184.1298003393.

The spelling of 1660343448 in words is "one billion, six hundred sixty million, three hundred forty-three thousand, four hundred forty-eight".