61650323366 has 24 divisors (see below), whose sum is σ = 96737949000. Its totient is φ = 29464509536.

The previous prime is 61650323363. The next prime is 61650323369. The reversal of 61650323366 is 66332305616.

It is an interprime number because it is at equal distance from previous prime (61650323363) and next prime (61650323369).

It is a super-2 number, since 2×61650323366² (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 (61650323363) 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, 1566506 + ... + 1605378.

It is an arithmetic number, because the mean of its divisors is an integer number (4030747875).

Almost surely, 2^61650323366 is an apocalyptic number.

61650323366 is a deficient number, since it is larger than the sum of its proper divisors (35087625634).

61650323366 is a wasteful number, since it uses less digits than its factorization.

61650323366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40420 (or 40397 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 61650323366 in words is "sixty-one billion, six hundred fifty million, three hundred twenty-three thousand, three hundred sixty-six".