61146807648930 has 32 divisors (see below), whose sum is σ = 163058153731200. Its totient is φ = 16305815372976.

The previous prime is 61146807648929. The next prime is 61146807648943. The reversal of 61146807648930 is 3984670864116.

It is a happy number.

61146807648930 is a `hidden beast` number, since 6 + 1 + 1 + 4 + 6 + 80 + 76 + 489 + 3 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113234828710 + ... + 113234829249.

It is an arithmetic number, because the mean of its divisors is an integer number (5095567304100).

Almost surely, 2^{61146807648930} is an apocalyptic number.

61146807648930 is an abundant number, since it is smaller than the sum of its proper divisors (101911346082270).

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

61146807648930 is a wasteful number, since it uses less digits than its factorization.

61146807648930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226469657975 (or 226469657969 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 61146807648930 in words is "sixty-one trillion, one hundred forty-six billion, eight hundred seven million, six hundred forty-eight thousand, nine hundred thirty".