1660742360 has 16 divisors (see below), whose sum is σ = 3736670400. Its totient is φ = 664296928.

The previous prime is 1660742341. The next prime is 1660742371. The reversal of 1660742360 is 632470661.

It is a self number, because there is not a number n which added to its sum of digits gives 1660742360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20759240 + ... + 20759319.

It is an arithmetic number, because the mean of its divisors is an integer number (233541900).

Almost surely, 2^1660742360 is an apocalyptic number.

1660742360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660742360 is an abundant number, since it is smaller than the sum of its proper divisors (2075928040).

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

1660742360 is a wasteful number, since it uses less digits than its factorization.

1660742360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41518570 (or 41518566 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 1660742360 is about 40752.2068114108. The cubic root of 1660742360 is about 1184.2246252509.

The spelling of 1660742360 in words is "one billion, six hundred sixty million, seven hundred forty-two thousand, three hundred sixty".