61650110656 has 14 divisors (see below), whose sum is σ = 122336938460. Its totient is φ = 30825055296.

The previous prime is 61650110623. The next prime is 61650110663. The reversal of 61650110656 is 65601105616.

It is a super-2 number, since 2×61650110656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481641426 + ... + 481641553.

Almost surely, 2^61650110656 is an apocalyptic number.

It is an amenable number.

61650110656 is a deficient number, since it is larger than the sum of its proper divisors (60686827804).

61650110656 is an equidigital number, since it uses as much as digits as its factorization.

61650110656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963282991 (or 963282981 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 61650110656 in words is "sixty-one billion, six hundred fifty million, one hundred ten thousand, six hundred fifty-six".