1660544704 has 56 divisors (see below), whose sum is σ = 4055575328. Its totient is φ = 656916480.

The previous prime is 1660544701. The next prime is 1660544713. The reversal of 1660544704 is 4074450661.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1660544701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136737 + ... + 148384.

It is an arithmetic number, because the mean of its divisors is an integer number (72420988).

Almost surely, 2^1660544704 is an apocalyptic number.

1660544704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1660544704 is an abundant number, since it is smaller than the sum of its proper divisors (2395030624).

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

1660544704 is a wasteful number, since it uses less digits than its factorization.

1660544704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285153 (or 285143 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1660544704 is about 40749.7816435868. The cubic root of 1660544704 is about 1184.1776425692.

The spelling of 1660544704 in words is "one billion, six hundred sixty million, five hundred forty-four thousand, seven hundred four".