61651656912058 has 16 divisors (see below), whose sum is σ = 92500928280000. Its totient is φ = 30818014821216.

The previous prime is 61651656912007. The next prime is 61651656912059. The reversal of 61651656912058 is 85021965615616.

It is a junction number, because it is equal to n+sod(n) for n = 61651656911987 and 61651656912005.

It is not an unprimeable number, because it can be changed into a prime (61651656912059) 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, 198935341 + ... + 199245007.

It is an arithmetic number, because the mean of its divisors is an integer number (5781308017500).

Almost surely, 2^{61651656912058} is an apocalyptic number.

61651656912058 is a deficient number, since it is larger than the sum of its proper divisors (30849271367942).

61651656912058 is a wasteful number, since it uses less digits than its factorization.

61651656912058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334581.

The product of its (nonzero) digits is 23328000, while the sum is 61.

The spelling of 61651656912058 in words is "sixty-one trillion, six hundred fifty-one billion, six hundred fifty-six million, nine hundred twelve thousand, fifty-eight".