61260204546 has 24 divisors (see below), whose sum is σ = 132861509820. Its totient is φ = 20399904096.

The previous prime is 61260204527. The next prime is 61260204547. The reversal of 61260204546 is 64540206216.

61260204546 is a `hidden beast` number, since 6 + 1 + 2 + 602 + 0 + 4 + 5 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57305178225 + 3955026321 = 239385^2 + 62889^2 .

It is a super-2 number, since 2×61260204546² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61260204546.

It is not an unprimeable number, because it can be changed into a prime (61260204547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1661601 + ... + 1698068.

Almost surely, 2^61260204546 is an apocalyptic number.

61260204546 is an abundant number, since it is smaller than the sum of its proper divisors (71601305274).

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

61260204546 is a wasteful number, since it uses less digits than its factorization.

61260204546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360690 (or 3360687 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 61260204546 in words is "sixty-one billion, two hundred sixty million, two hundred four thousand, five hundred forty-six".