61002160129 has 8 divisors (see below), whose sum is σ = 61349416128. Its totient is φ = 60655016880.

The previous prime is 61002160061. The next prime is 61002160169. The reversal of 61002160129 is 92106120016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61002160129 - 2¹³ = 61002151937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61002160097 and 61002160106.

It is not an unprimeable number, because it can be changed into a prime (61002160169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211004 + ... + 1260370.

It is an arithmetic number, because the mean of its divisors is an integer number (7668677016).

Almost surely, 2^61002160129 is an apocalyptic number.

It is an amenable number.

61002160129 is a deficient number, since it is larger than the sum of its proper divisors (347255999).

61002160129 is a wasteful number, since it uses less digits than its factorization.

61002160129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56375.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 61002160129 in words is "sixty-one billion, two million, one hundred sixty thousand, one hundred twenty-nine".