64055664152340 has 192 divisors, whose sum is σ = 216234500106240. Its totient is φ = 13840611125760.

The previous prime is 64055664152327. The next prime is 64055664152341. The reversal of 64055664152340 is 4325146655046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64055664152341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5027322 + ... + 12384881.

It is an arithmetic number, because the mean of its divisors is an integer number (1126221354720).

Almost surely, 2^{64055664152340} is an apocalyptic number.

64055664152340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64055664152340 is an abundant number, since it is smaller than the sum of its proper divisors (152178835953900).

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

64055664152340 is a wasteful number, since it uses less digits than its factorization.

64055664152340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17412702 (or 17412700 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 51.

The spelling of 64055664152340 in words is "sixty-four trillion, fifty-five billion, six hundred sixty-four million, one hundred fifty-two thousand, three hundred forty".