1560661650506 has 8 divisors (see below), whose sum is σ = 2675419972320. Its totient is φ = 668854993068.

The previous prime is 1560661650503. The next prime is 1560661650529. The reversal of 1560661650506 is 6050561660651.

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

It is a super-2 number, since 2×1560661650506² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1560661650503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55737916076 + ... + 55737916103.

It is an arithmetic number, because the mean of its divisors is an integer number (334427496540).

Almost surely, 2^{1560661650506} is an apocalyptic number.

1560661650506 is a deficient number, since it is larger than the sum of its proper divisors (1114758321814).

1560661650506 is a wasteful number, since it uses less digits than its factorization.

1560661650506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111475832188.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1560661650506 in words is "one trillion, five hundred sixty billion, six hundred sixty-one million, six hundred fifty thousand, five hundred six".