1560165740 has 24 divisors (see below), whose sum is σ = 3744398112. Its totient is φ = 534913920.

The previous prime is 1560165721. The next prime is 1560165773. The reversal of 1560165740 is 475610651.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1560165740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5571881 + ... + 5572160.

It is an arithmetic number, because the mean of its divisors is an integer number (156016588).

Almost surely, 2^1560165740 is an apocalyptic number.

1560165740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560165740 is an abundant number, since it is smaller than the sum of its proper divisors (2184232372).

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

1560165740 is a wasteful number, since it uses less digits than its factorization.

1560165740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144057 (or 11144055 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1560165740 is about 39498.9334033212. The cubic root of 1560165740 is about 1159.8190710680.

The spelling of 1560165740 in words is "one billion, five hundred sixty million, one hundred sixty-five thousand, seven hundred forty".