61630133067 has 8 divisors (see below), whose sum is σ = 91303900880. Its totient is φ = 41086755360.

The previous prime is 61630133063. The next prime is 61630133107. The reversal of 61630133067 is 76033103616.

61630133067 is a `hidden beast` number, since 6 + 1 + 630 + 13 + 3 + 0 + 6 + 7 = 666.

It is not a de Polignac number, because 61630133067 - 2² = 61630133063 is a prime.

It is a super-2 number, since 2×61630133067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61630133063) 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 7 ways as a sum of consecutive naturals, for example, 1141298734 + ... + 1141298787.

It is an arithmetic number, because the mean of its divisors is an integer number (11412987610).

Almost surely, 2^61630133067 is an apocalyptic number.

61630133067 is a deficient number, since it is larger than the sum of its proper divisors (29673767813).

61630133067 is a wasteful number, since it uses less digits than its factorization.

61630133067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282597530 (or 2282597524 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The spelling of 61630133067 in words is "sixty-one billion, six hundred thirty million, one hundred thirty-three thousand, sixty-seven".