61675147064 has 16 divisors (see below), whose sum is σ = 115696448520. Its totient is φ = 30822760800.

The previous prime is 61675147021. The next prime is 61675147067. The reversal of 61675147064 is 46074157616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61675147067) 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, 1833887 + ... + 1867214.

Almost surely, 2^61675147064 is an apocalyptic number.

It is an amenable number.

61675147064 is a deficient number, since it is larger than the sum of its proper divisors (54021301456).

61675147064 is a wasteful number, since it uses less digits than its factorization.

61675147064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703190 (or 3703186 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 61675147064 in words is "sixty-one billion, six hundred seventy-five million, one hundred forty-seven thousand, sixty-four".