61650442107 has 6 divisors (see below), whose sum is σ = 89050638612. Its totient is φ = 41100294732.

The previous prime is 61650442067. The next prime is 61650442123. The reversal of 61650442107 is 70124405616.

61650442107 is a `hidden beast` number, since 6 + 1 + 6 + 504 + 42 + 107 = 666.

It is not a de Polignac number, because 61650442107 - 2⁸ = 61650441851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61650442307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3425024553 + ... + 3425024570.

It is an arithmetic number, because the mean of its divisors is an integer number (14841773102).

Almost surely, 2^61650442107 is an apocalyptic number.

61650442107 is a deficient number, since it is larger than the sum of its proper divisors (27400196505).

61650442107 is a wasteful number, since it uses less digits than its factorization.

61650442107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850049129 (or 6850049126 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 61650442107 in words is "sixty-one billion, six hundred fifty million, four hundred forty-two thousand, one hundred seven".