61465363738618 has 8 divisors (see below), whose sum is σ = 105369194980512. Its totient is φ = 26342298745116.

The previous prime is 61465363738591. The next prime is 61465363738619. The reversal of 61465363738618 is 81683736356416.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (61465363738619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2195191562080 + ... + 2195191562107.

It is an arithmetic number, because the mean of its divisors is an integer number (13171149372564).

Almost surely, 2^{61465363738618} is an apocalyptic number.

61465363738618 is a deficient number, since it is larger than the sum of its proper divisors (43903831241894).

61465363738618 is a wasteful number, since it uses less digits than its factorization.

61465363738618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390383124196.

The product of its digits is 313528320, while the sum is 67.

The spelling of 61465363738618 in words is "sixty-one trillion, four hundred sixty-five billion, three hundred sixty-three million, seven hundred thirty-eight thousand, six hundred eighteen".