64491062861060 has 24 divisors (see below), whose sum is σ = 147743162191296. Its totient is φ = 23451295585760.

The previous prime is 64491062860999. The next prime is 64491062861081. The reversal of 64491062861060 is 6016826019446.

64491062861060 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64491062860993 and 64491062861011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146570597192 + ... + 146570597631.

It is an arithmetic number, because the mean of its divisors is an integer number (6155965091304).

Almost surely, 2^{64491062861060} is an apocalyptic number.

It is an amenable number.

64491062861060 is an abundant number, since it is smaller than the sum of its proper divisors (83252099330236).

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

64491062861060 is a wasteful number, since it uses less digits than its factorization.

64491062861060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293141194843 (or 293141194841 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 64491062861060 in words is "sixty-four trillion, four hundred ninety-one billion, sixty-two million, eight hundred sixty-one thousand, sixty".