61620676205152 has 24 divisors (see below), whose sum is σ = 121325692698000. Its totient is φ = 30807801869184.

The previous prime is 61620676205141. The next prime is 61620676205167. The reversal of 61620676205152 is 25150267602616.

It is a junction number, because it is equal to n+sod(n) for n = 61620676205096 and 61620676205105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78862452 + ... + 79639987.

It is an arithmetic number, because the mean of its divisors is an integer number (5055237195750).

Almost surely, 2^{61620676205152} is an apocalyptic number.

It is an amenable number.

61620676205152 is a deficient number, since it is larger than the sum of its proper divisors (59705016492848).

61620676205152 is a wasteful number, since it uses less digits than its factorization.

61620676205152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158514598 (or 158514590 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 61620676205152 in words is "sixty-one trillion, six hundred twenty billion, six hundred seventy-six million, two hundred five thousand, one hundred fifty-two".