61016576072 has 16 divisors (see below), whose sum is σ = 114459498240. Its totient is φ = 30494043216.

The previous prime is 61016576021. The next prime is 61016576077. The reversal of 61016576072 is 27067561016.

It is not an unprimeable number, because it can be changed into a prime (61016576077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762388 + ... + 1796675.

It is an arithmetic number, because the mean of its divisors is an integer number (7153718640).

Almost surely, 2^61016576072 is an apocalyptic number.

It is an amenable number.

61016576072 is a deficient number, since it is larger than the sum of its proper divisors (53442922168).

61016576072 is a wasteful number, since it uses less digits than its factorization.

61016576072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561212 (or 3561208 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 61016576072 in words is "sixty-one billion, sixteen million, five hundred seventy-six thousand, seventy-two".