5815609146 has 24 divisors (see below), whose sum is σ = 12699707904. Its totient is φ = 1923271560.

The previous prime is 5815609141. The next prime is 5815609157. The reversal of 5815609146 is 6419065185.

5815609146 is a `hidden beast` number, since 5 + 81 + 560 + 9 + 1 + 4 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5815609141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269720 + ... + 1274291.

It is an arithmetic number, because the mean of its divisors is an integer number (529154496).

Almost surely, 2^5815609146 is an apocalyptic number.

5815609146 is an abundant number, since it is smaller than the sum of its proper divisors (6884098758).

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

5815609146 is a wasteful number, since it uses less digits than its factorization.

5815609146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544146 (or 2544143 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 5815609146 is about 76260.1412665883. The cubic root of 5815609146 is about 1798.3121158913.

It can be divided in two parts, 5815609 and 146, that added together give a triangular number (5815755 = T₃₄₁₀).

The spelling of 5815609146 in words is "five billion, eight hundred fifteen million, six hundred nine thousand, one hundred forty-six".