61202666620216 has 32 divisors (see below), whose sum is σ = 125188657904880. Its totient is φ = 27819086080000.

The previous prime is 61202666620181. The next prime is 61202666620223.

61202666620216 is nontrivially palindromic in base 10.

61202666620216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4245966 + ... + 11850466.

Almost surely, 2^{61202666620216} is an apocalyptic number.

It is an amenable number.

61202666620216 is an abundant number, since it is smaller than the sum of its proper divisors (63985991284664).

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

61202666620216 is a wasteful number, since it uses less digits than its factorization.

61202666620216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695975 (or 7695971 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 61202666620216 in words is "sixty-one trillion, two hundred two billion, six hundred sixty-six million, six hundred twenty thousand, two hundred sixteen".