60711720621 has 16 divisors (see below), whose sum is σ = 84501480960. Its totient is φ = 38699595440.

The previous prime is 60711720613. The next prime is 60711720637. The reversal of 60711720621 is 12602711706.

It is a cyclic number.

It is not a de Polignac number, because 60711720621 - 2³ = 60711720613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60711720521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 348536.

It is an arithmetic number, because the mean of its divisors is an integer number (5281342560).

Almost surely, 2^60711720621 is an apocalyptic number.

It is an amenable number.

60711720621 is a deficient number, since it is larger than the sum of its proper divisors (23789760339).

60711720621 is a wasteful number, since it uses less digits than its factorization.

60711720621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343776.

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 60711720621 in words is "sixty billion, seven hundred eleven million, seven hundred twenty thousand, six hundred twenty-one".