1660562444 has 6 divisors (see below), whose sum is σ = 2905984284. Its totient is φ = 830281220.

The previous prime is 1660562429. The next prime is 1660562483. The reversal of 1660562444 is 4442650661.

It is a junction number, because it is equal to n+sod(n) for n = 1660562398 and 1660562407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207570302 + ... + 207570309.

It is an arithmetic number, because the mean of its divisors is an integer number (484330714).

Almost surely, 2^1660562444 is an apocalyptic number.

It is an amenable number.

1660562444 is a deficient number, since it is larger than the sum of its proper divisors (1245421840).

1660562444 is a wasteful number, since it uses less digits than its factorization.

1660562444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415140615 (or 415140613 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 1660562444 is about 40749.9993128834. Note that the first 3 decimals coincide. The cubic root of 1660562444 is about 1184.1818595060.

The spelling of 1660562444 in words is "one billion, six hundred sixty million, five hundred sixty-two thousand, four hundred forty-four".