61516312364533 has 8 divisors (see below), whose sum is σ = 66280079755008. Its totient is φ = 56757079740144.

The previous prime is 61516312364527. The next prime is 61516312364627. The reversal of 61516312364533 is 33546321361516.

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 61516312364533 - 2¹⁷ = 61516312233461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61516312364833) 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, 1133663341 + ... + 1133717602.

It is an arithmetic number, because the mean of its divisors is an integer number (8285009969376).

Almost surely, 2^{61516312364533} is an apocalyptic number.

It is an amenable number.

61516312364533 is a deficient number, since it is larger than the sum of its proper divisors (4763767390475).

61516312364533 is a wasteful number, since it uses less digits than its factorization.

61516312364533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267383043.

The product of its digits is 3499200, while the sum is 49.

The spelling of 61516312364533 in words is "sixty-one trillion, five hundred sixteen billion, three hundred twelve million, three hundred sixty-four thousand, five hundred thirty-three".