61473316896 has 72 divisors (see below), whose sum is σ = 174864703104. Its totient is φ = 20485249920.

The previous prime is 61473316867. The next prime is 61473316897. The reversal of 61473316896 is 69861337416.

It is a happy number.

61473316896 is a `hidden beast` number, since 6 + 1 + 473 + 3 + 168 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (61473316897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044741 + ... + 1102011.

It is an arithmetic number, because the mean of its divisors is an integer number (2428676432).

Almost surely, 2^61473316896 is an apocalyptic number.

It is an amenable number.

61473316896 is an abundant number, since it is smaller than the sum of its proper divisors (113391386208).

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

61473316896 is a wasteful number, since it uses less digits than its factorization.

61473316896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61014 (or 61003 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 61473316896 in words is "sixty-one billion, four hundred seventy-three million, three hundred sixteen thousand, eight hundred ninety-six".