61328369335650 has 48 divisors (see below), whose sum is σ = 153291949353984. Its totient is φ = 16225458338880.

The previous prime is 61328369335621. The next prime is 61328369335661. The reversal of 61328369335650 is 5653396382316.

It is a super-2 number, since 2×61328369335650² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1609649437 + ... + 1609687536.

It is an arithmetic number, because the mean of its divisors is an integer number (3193582278208).

Almost surely, 2^{61328369335650} is an apocalyptic number.

61328369335650 is an abundant number, since it is smaller than the sum of its proper divisors (91963580018334).

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

61328369335650 is a wasteful number, since it uses less digits than its factorization.

61328369335650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219337115 (or 3219337110 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 60.

The spelling of 61328369335650 in words is "sixty-one trillion, three hundred twenty-eight billion, three hundred sixty-nine million, three hundred thirty-five thousand, six hundred fifty".