60161565421 has 16 divisors (see below), whose sum is σ = 64266143040. Its totient is φ = 56120912640.

The previous prime is 60161565383. The next prime is 60161565463. The reversal of 60161565421 is 12456516106.

It is a cyclic number.

It is not a de Polignac number, because 60161565421 - 2⁷ = 60161565293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60161563421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829890 + ... + 1862476.

It is an arithmetic number, because the mean of its divisors is an integer number (4016633940).

Almost surely, 2^60161565421 is an apocalyptic number.

It is an amenable number.

60161565421 is a deficient number, since it is larger than the sum of its proper divisors (4104577619).

60161565421 is a wasteful number, since it uses less digits than its factorization.

60161565421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33564.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 60161565421 in words is "sixty billion, one hundred sixty-one million, five hundred sixty-five thousand, four hundred twenty-one".