4661561060 has 48 divisors (see below), whose sum is σ = 10551168432. Its totient is φ = 1719744000.

The previous prime is 4661561059. The next prime is 4661561081. The reversal of 4661561060 is 601651664.

It can be written as a sum of positive squares in 8 ways, for example, as 1501097536 + 3160463524 = 38744^2 + 56218^2 .

It is a super-2 number, since 2×4661561060² = 43460303032216647200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4661561060.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 331370 + ... + 345150.

It is an arithmetic number, because the mean of its divisors is an integer number (219816009).

Almost surely, 2^4661561060 is an apocalyptic number.

It is an amenable number.

4661561060 is an abundant number, since it is smaller than the sum of its proper divisors (5889607372).

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

4661561060 is a wasteful number, since it uses less digits than its factorization.

4661561060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15104 (or 15102 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 4661561060 is about 68275.6256653866. The cubic root of 4661561060 is about 1670.4896624282.

The spelling of 4661561060 in words is "four billion, six hundred sixty-one million, five hundred sixty-one thousand, sixty".