61016216263 has 8 divisors (see below), whose sum is σ = 62226190800. Its totient is φ = 59812101888.

The previous prime is 61016216251. The next prime is 61016216293. The reversal of 61016216263 is 36261261016.

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 61016216263 - 2³³ = 52426281671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61016216293) 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, 1444008 + ... + 1485661.

It is an arithmetic number, because the mean of its divisors is an integer number (7778273850).

Almost surely, 2^61016216263 is an apocalyptic number.

61016216263 is a deficient number, since it is larger than the sum of its proper divisors (1209974537).

61016216263 is a wasteful number, since it uses less digits than its factorization.

61016216263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930081.

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 61016216263 its reverse (36261261016), we get a palindrome (97277477279).

The spelling of 61016216263 in words is "sixty-one billion, sixteen million, two hundred sixteen thousand, two hundred sixty-three".