61560606037 has 4 divisors (see below), whose sum is σ = 70354978336. Its totient is φ = 52766233740.

The previous prime is 61560606017. The next prime is 61560606049. The reversal of 61560606037 is 73060606516.

61560606037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61560606037 - 2¹⁹ = 61560081749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61560606007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4397186139 + ... + 4397186152.

It is an arithmetic number, because the mean of its divisors is an integer number (17588744584).

Almost surely, 2^61560606037 is an apocalyptic number.

It is an amenable number.

61560606037 is a deficient number, since it is larger than the sum of its proper divisors (8794372299).

61560606037 is an equidigital number, since it uses as much as digits as its factorization.

61560606037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794372298.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 61560606037 in words is "sixty-one billion, five hundred sixty million, six hundred six thousand, thirty-seven".