61671324547 has 16 divisors (see below), whose sum is σ = 71229332160. Its totient is φ = 52300597248.

The previous prime is 61671324529. The next prime is 61671324557. The reversal of 61671324547 is 74542317616.

It is a cyclic number.

It is not a de Polignac number, because 61671324547 - 2⁷ = 61671324419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61671324497 and 61671324506.

It is not an unprimeable number, because it can be changed into a prime (61671324557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656233 + ... + 2679349.

It is an arithmetic number, because the mean of its divisors is an integer number (4451833260).

Almost surely, 2^61671324547 is an apocalyptic number.

61671324547 is a deficient number, since it is larger than the sum of its proper divisors (9558007613).

61671324547 is a wasteful number, since it uses less digits than its factorization.

61671324547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27150.

The product of its digits is 846720, while the sum is 46.

The spelling of 61671324547 in words is "sixty-one billion, six hundred seventy-one million, three hundred twenty-four thousand, five hundred forty-seven".