3146320560 has 160 divisors (see below), whose sum is σ = 10397763072. Its totient is φ = 784281600.

The previous prime is 3146320511. The next prime is 3146320579. The reversal of 3146320560 is 650236413.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613527 + ... + 618633.

Almost surely, 2^3146320560 is an apocalyptic number.

3146320560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3146320560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5198881536).

3146320560 is an abundant number, since it is smaller than the sum of its proper divisors (7251442512).

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

3146320560 is a wasteful number, since it uses less digits than its factorization.

3146320560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 3146320560 is about 56092.0721671075. The cubic root of 3146320560 is about 1465.3262266278.

Adding to 3146320560 its reverse (650236413), we get a palindrome (3796556973).

The spelling of 3146320560 in words is "three billion, one hundred forty-six million, three hundred twenty thousand, five hundred sixty".