1560987960 has 64 divisors (see below), whose sum is σ = 5351961600. Its totient is φ = 356797056.

The previous prime is 1560987947. The next prime is 1560987977. The reversal of 1560987960 is 697890651.

It is a super-2 number, since 2×1560987960² = 4873366822529923200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928320 + ... + 929999.

It is an arithmetic number, because the mean of its divisors is an integer number (83624400).

Almost surely, 2^1560987960 is an apocalyptic number.

1560987960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560987960 is an abundant number, since it is smaller than the sum of its proper divisors (3790973640).

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

1560987960 is a wasteful number, since it uses less digits than its factorization.

1560987960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858340 (or 1858336 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 1560987960 is about 39509.3401615365. The cubic root of 1560987960 is about 1160.0227799728.

The spelling of 1560987960 in words is "one billion, five hundred sixty million, nine hundred eighty-seven thousand, nine hundred sixty".