60515615161661 has 8 divisors (see below), whose sum is σ = 69900389705664. Its totient is φ = 51778066448320.

The previous prime is 60515615161637. The next prime is 60515615161699. The reversal of 60515615161661 is 16616151651506.

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 60515615161661 - 2¹⁴ = 60515615145277 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 (60515615161601) 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 7 ways as a sum of consecutive naturals, for example, 161806457465 + ... + 161806457838.

It is an arithmetic number, because the mean of its divisors is an integer number (8737548713208).

Almost surely, 2^{60515615161661} is an apocalyptic number.

It is an amenable number.

60515615161661 is a deficient number, since it is larger than the sum of its proper divisors (9384774544003).

60515615161661 is a wasteful number, since it uses less digits than its factorization.

60515615161661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323612915331.

The product of its (nonzero) digits is 972000, while the sum is 50.

The spelling of 60515615161661 in words is "sixty trillion, five hundred fifteen billion, six hundred fifteen million, one hundred sixty-one thousand, six hundred sixty-one".