61655006627 has 2 divisors, whose sum is σ = 61655006628. Its totient is φ = 61655006626.

The previous prime is 61655006617. The next prime is 61655006657. The reversal of 61655006627 is 72660055616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61655006627 - 2¹⁰ = 61655005603 is a prime.

It is not a weakly prime, because it can be changed into another prime (61655006617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30827503313 + 30827503314.

It is an arithmetic number, because the mean of its divisors is an integer number (30827503314).

Almost surely, 2^61655006627 is an apocalyptic number.

61655006627 is a deficient number, since it is larger than the sum of its proper divisors (1).

61655006627 is an equidigital number, since it uses as much as digits as its factorization.

61655006627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 61655006627 in words is "sixty-one billion, six hundred fifty-five million, six thousand, six hundred twenty-seven".