61146464116 has 12 divisors (see below), whose sum is σ = 107128332388. Its totient is φ = 30538369152.

The previous prime is 61146464089. The next prime is 61146464117.

61146464116 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 42623254116 + 18523210000 = 206454^2 + 136100^2 .

It is a super-2 number, since 2×61146464116² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61146464117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8711781 + ... + 8718796.

Almost surely, 2^61146464116 is an apocalyptic number.

It is an amenable number.

61146464116 is a deficient number, since it is larger than the sum of its proper divisors (45981868272).

61146464116 is a wasteful number, since it uses less digits than its factorization.

61146464116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17431458 (or 17431456 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The spelling of 61146464116 in words is "sixty-one billion, one hundred forty-six million, four hundred sixty-four thousand, one hundred sixteen".