61416641450263 has 8 divisors (see below), whose sum is σ = 67089186844416. Its totient is φ = 55758965115000.

The previous prime is 61416641450243. The next prime is 61416641450273. The reversal of 61416641450263 is 36205414661416.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61416641450263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61416641450243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3717256081 + ... + 3717272602.

It is an arithmetic number, because the mean of its divisors is an integer number (8386148355552).

Almost surely, 2^{61416641450263} is an apocalyptic number.

61416641450263 is a deficient number, since it is larger than the sum of its proper divisors (5672545394153).

61416641450263 is a wasteful number, since it uses less digits than its factorization.

61416641450263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434529445.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 61416641450263 in words is "sixty-one trillion, four hundred sixteen billion, six hundred forty-one million, four hundred fifty thousand, two hundred sixty-three".