61120166600 has 48 divisors (see below), whose sum is σ = 142153135620. Its totient is φ = 24439680000.

The previous prime is 61120166599. The next prime is 61120166609. The reversal of 61120166600 is 666102116.

It can be written as a sum of positive squares in 6 ways, for example, as 34111873636 + 27008292964 = 184694^2 + 164342^2 .

It is not an unprimeable number, because it can be changed into a prime (61120166609) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 549284 + ... + 651116.

Almost surely, 2^61120166600 is an apocalyptic number.

It is an amenable number.

61120166600 is an abundant number, since it is smaller than the sum of its proper divisors (81032969020).

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

61120166600 is a wasteful number, since it uses less digits than its factorization.

61120166600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104850 (or 104841 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 61120166600 its reverse (666102116), we get a palindrome (61786268716).

The spelling of 61120166600 in words is "sixty-one billion, one hundred twenty million, one hundred sixty-six thousand, six hundred".