61599654241 has 16 divisors (see below), whose sum is σ = 65421544320. Its totient is φ = 57800021760.

The previous prime is 61599654239. The next prime is 61599654269. The reversal of 61599654241 is 14245699516.

It is not a de Polignac number, because 61599654241 - 2¹ = 61599654239 is a prime.

It is a super-2 number, since 2×61599654241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61599654041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13931211 + ... + 13935631.

It is an arithmetic number, because the mean of its divisors is an integer number (4088846520).

Almost surely, 2^61599654241 is an apocalyptic number.

It is an amenable number.

61599654241 is a deficient number, since it is larger than the sum of its proper divisors (3821890079).

61599654241 is a wasteful number, since it uses less digits than its factorization.

61599654241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744.

The product of its digits is 2332800, while the sum is 52.

The spelling of 61599654241 in words is "sixty-one billion, five hundred ninety-nine million, six hundred fifty-four thousand, two hundred forty-one".