61534522166053 has 4 divisors (see below), whose sum is σ = 61540260731488. Its totient is φ = 61528783600620.

The previous prime is 61534522166021. The next prime is 61534522166077. The reversal of 61534522166053 is 35066122543516.

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 61534522166053 - 2⁵ = 61534522166021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61534522165988 and 61534522166006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61534522161053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2869266633 + ... + 2869288078.

It is an arithmetic number, because the mean of its divisors is an integer number (15385065182872).

Almost surely, 2^{61534522166053} is an apocalyptic number.

It is an amenable number.

61534522166053 is a deficient number, since it is larger than the sum of its proper divisors (5738565435).

61534522166053 is a wasteful number, since it uses less digits than its factorization.

61534522166053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738565434.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 61534522166053 in words is "sixty-one trillion, five hundred thirty-four billion, five hundred twenty-two million, one hundred sixty-six thousand, fifty-three".