60665515650 has 96 divisors (see below), whose sum is σ = 169907875200. Its totient is φ = 15912244800.

The previous prime is 60665515637. The next prime is 60665515697. The reversal of 60665515650 is 5651556606.

It is a super-3 number, since 3×60665515650³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 60665515596 and 60665515605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285990 + ... + 450689.

It is an arithmetic number, because the mean of its divisors is an integer number (1769873700).

Almost surely, 2^60665515650 is an apocalyptic number.

60665515650 is an abundant number, since it is smaller than the sum of its proper divisors (109242359550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60665515650 is a wasteful number, since it uses less digits than its factorization.

60665515650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736761 (or 736750 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 60665515650 in words is "sixty billion, six hundred sixty-five million, five hundred fifteen thousand, six hundred fifty".