61675058945 has 8 divisors (see below), whose sum is σ = 76010343144. Its totient is φ = 48006532224.

The previous prime is 61675058903. The next prime is 61675058947. The reversal of 61675058945 is 54985057616.

61675058945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7687607041 + 53987451904 = 87679^2 + 232352^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61675058945 - 2⁸ = 61675058689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61675058947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166689164 + ... + 166689533.

It is an arithmetic number, because the mean of its divisors is an integer number (9501292893).

Almost surely, 2^61675058945 is an apocalyptic number.

It is an amenable number.

61675058945 is a deficient number, since it is larger than the sum of its proper divisors (14335284199).

61675058945 is a wasteful number, since it uses less digits than its factorization.

61675058945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333378739.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 61675058945 in words is "sixty-one billion, six hundred seventy-five million, fifty-eight thousand, nine hundred forty-five".