61366414415063 has 4 divisors (see below), whose sum is σ = 64976203498320. Its totient is φ = 57756625331808.

The previous prime is 61366414415051. The next prime is 61366414415101. The reversal of 61366414415063 is 36051441466316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61366414415063 - 2⁶ = 61366414414999 is a prime.

It is a super-2 number, since 2×61366414415063² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61366414435063) 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, 1804894541603 + ... + 1804894541636.

It is an arithmetic number, because the mean of its divisors is an integer number (16244050874580).

Almost surely, 2^{61366414415063} is an apocalyptic number.

61366414415063 is a deficient number, since it is larger than the sum of its proper divisors (3609789083257).

61366414415063 is a wasteful number, since it uses less digits than its factorization.

61366414415063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609789083256.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 61366414415063 in words is "sixty-one trillion, three hundred sixty-six billion, four hundred fourteen million, four hundred fifteen thousand, sixty-three".