61600070751 has 4 divisors (see below), whose sum is σ = 82133427672. Its totient is φ = 41066713832.

The previous prime is 61600070731. The next prime is 61600070837. The reversal of 61600070751 is 15707000616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61600070751 - 2¹¹ = 61600068703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61600070731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10266678456 + ... + 10266678461.

It is an arithmetic number, because the mean of its divisors is an integer number (20533356918).

Almost surely, 2^61600070751 is an apocalyptic number.

61600070751 is a deficient number, since it is larger than the sum of its proper divisors (20533356921).

61600070751 is a wasteful number, since it uses less digits than its factorization.

61600070751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20533356920.

The product of its (nonzero) digits is 8820, while the sum is 33.

The spelling of 61600070751 in words is "sixty-one billion, six hundred million, seventy thousand, seven hundred fifty-one".