61365541233654 has 96 divisors (see below), whose sum is σ = 158970826699776. Its totient is φ = 16741433082240.

The previous prime is 61365541233631. The next prime is 61365541233671. The reversal of 61365541233654 is 45633214556316.

61365541233654 is a `hidden beast` number, since 6 + 1 + 3 + 6 + 5 + 541 + 2 + 33 + 65 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61365541233654.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 126126712 + ... + 126612315.

It is an arithmetic number, because the mean of its divisors is an integer number (1655946111456).

Almost surely, 2^{61365541233654} is an apocalyptic number.

61365541233654 is an abundant number, since it is smaller than the sum of its proper divisors (97605285466122).

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

61365541233654 is a wasteful number, since it uses less digits than its factorization.

61365541233654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252739130 (or 252739127 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 61365541233654 in words is "sixty-one trillion, three hundred sixty-five billion, five hundred forty-one million, two hundred thirty-three thousand, six hundred fifty-four".