61552666625516 has 48 divisors (see below), whose sum is σ = 118998921431040. Its totient is φ = 27623903973120.

The previous prime is 61552666625509. The next prime is 61552666625521.

It is a happy number.

61552666625516 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×61552666625516² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381837965 + ... + 381999131.

It is an arithmetic number, because the mean of its divisors is an integer number (2479144196480).

Almost surely, 2^{61552666625516} is an apocalyptic number.

It is an amenable number.

61552666625516 is a deficient number, since it is larger than the sum of its proper divisors (57446254805524).

61552666625516 is a wasteful number, since it uses less digits than its factorization.

61552666625516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271134 (or 271132 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 62.

The spelling of 61552666625516 in words is "sixty-one trillion, five hundred fifty-two billion, six hundred sixty-six million, six hundred twenty-five thousand, five hundred sixteen".