61647504134706 has 128 divisors (see below), whose sum is σ = 164812496025600. Its totient is φ = 16685819726400.

The previous prime is 61647504134701. The next prime is 61647504134731. The reversal of 61647504134706 is 60743140574616.

61647504134706 is a `hidden beast` number, since 6 + 1 + 64 + 7 + 504 + 1 + 3 + 4 + 70 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (61647504134701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177458881 + ... + 177805931.

It is an arithmetic number, because the mean of its divisors is an integer number (1287597625200).

Almost surely, 2^{61647504134706} is an apocalyptic number.

61647504134706 is an abundant number, since it is smaller than the sum of its proper divisors (103164991890894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61647504134706 is a wasteful number, since it uses less digits than its factorization.

61647504134706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371821 (or 371815 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 61647504134706 in words is "sixty-one trillion, six hundred forty-seven billion, five hundred four million, one hundred thirty-four thousand, seven hundred six".