61533672330747 has 8 divisors (see below), whose sum is σ = 83083439434240. Its totient is φ = 40503176723880.

The previous prime is 61533672330731. The next prime is 61533672330751. The reversal of 61533672330747 is 74703327633516.

It is a happy number.

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

It is not a de Polignac number, because 61533672330747 - 2⁴ = 61533672330731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61533672330727) 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, 129817873879 + ... + 129817874352.

It is an arithmetic number, because the mean of its divisors is an integer number (10385429929280).

Almost surely, 2^{61533672330747} is an apocalyptic number.

61533672330747 is a deficient number, since it is larger than the sum of its proper divisors (21549767103493).

61533672330747 is a wasteful number, since it uses less digits than its factorization.

61533672330747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259635748313.

The product of its (nonzero) digits is 40007520, while the sum is 57.

The spelling of 61533672330747 in words is "sixty-one trillion, five hundred thirty-three billion, six hundred seventy-two million, three hundred thirty thousand, seven hundred forty-seven".