61368662153 has 8 divisors (see below), whose sum is σ = 66682417920. Its totient is φ = 56263289040.

The previous prime is 61368662149. The next prime is 61368662183. The reversal of 61368662153 is 35126686316.

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

It is a cyclic number.

It is not a de Polignac number, because 61368662153 - 2² = 61368662149 is a prime.

It is a super-2 number, since 2×61368662153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61368662098 and 61368662107.

It is not an unprimeable number, because it can be changed into a prime (61368662183) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52095050 + ... + 52096227.

It is an arithmetic number, because the mean of its divisors is an integer number (8335302240).

Almost surely, 2^61368662153 is an apocalyptic number.

It is an amenable number.

61368662153 is a deficient number, since it is larger than the sum of its proper divisors (5313755767).

61368662153 is a wasteful number, since it uses less digits than its factorization.

61368662153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104191327.

The product of its digits is 933120, while the sum is 47.

The spelling of 61368662153 in words is "sixty-one billion, three hundred sixty-eight million, six hundred sixty-two thousand, one hundred fifty-three".