64354016755770 has 192 divisors, whose sum is σ = 179894081920896. Its totient is φ = 14690818920960.

The previous prime is 64354016755751. The next prime is 64354016755781. The reversal of 64354016755770 is 7755761045346.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6229209505 + ... + 6229219835.

It is an arithmetic number, because the mean of its divisors is an integer number (936948343338).

Almost surely, 2^{64354016755770} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64354016755770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89947040960448).

64354016755770 is an abundant number, since it is smaller than the sum of its proper divisors (115540065165126).

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

64354016755770 is a wasteful number, since it uses less digits than its factorization.

64354016755770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15325 (or 15318 counting only the distinct ones).

The product of its (nonzero) digits is 74088000, while the sum is 60.

The spelling of 64354016755770 in words is "sixty-four trillion, three hundred fifty-four billion, sixteen million, seven hundred fifty-five thousand, seven hundred seventy".