61852544546 has 16 divisors (see below), whose sum is σ = 99921395448. Its totient is φ = 28545686400.

The previous prime is 61852544521. The next prime is 61852544557. The reversal of 61852544546 is 64544525816.

It can be written as a sum of positive squares in 4 ways, for example, as 61771634521 + 80910025 = 248539^2 + 8995^2 .

It is a super-2 number, since 2×61852544546² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61852544494 and 61852544503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473276 + ... + 589656.

Almost surely, 2^61852544546 is an apocalyptic number.

61852544546 is a deficient number, since it is larger than the sum of its proper divisors (38068850902).

61852544546 is a wasteful number, since it uses less digits than its factorization.

61852544546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136837.

The product of its digits is 4608000, while the sum is 50.

The spelling of 61852544546 in words is "sixty-one billion, eight hundred fifty-two million, five hundred forty-four thousand, five hundred forty-six".