61541652866694 has 128 divisors (see below), whose sum is σ = 169101930590208. Its totient is φ = 14412096236160.

The previous prime is 61541652866669. The next prime is 61541652866717. The reversal of 61541652866694 is 49666825614516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118889364 + ... + 119405879.

It is an arithmetic number, because the mean of its divisors is an integer number (1321108832736).

Almost surely, 2^{61541652866694} is an apocalyptic number.

61541652866694 is an abundant number, since it is smaller than the sum of its proper divisors (107560277723514).

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

61541652866694 is a wasteful number, since it uses less digits than its factorization.

61541652866694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238295322.

The product of its digits is 447897600, while the sum is 69.

The spelling of 61541652866694 in words is "sixty-one trillion, five hundred forty-one billion, six hundred fifty-two million, eight hundred sixty-six thousand, six hundred ninety-four".