64966386000 has 160 divisors (see below), whose sum is σ = 214561017216. Its totient is φ = 16901760000.

The previous prime is 64966385999. The next prime is 64966386049. The reversal of 64966386000 is 68366946.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113955 + ... + 378045.

Almost surely, 2^64966386000 is an apocalyptic number.

64966386000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64966386000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107280508608).

64966386000 is an abundant number, since it is smaller than the sum of its proper divisors (149594631216).

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

64966386000 is a wasteful number, since it uses less digits than its factorization.

64966386000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264158 (or 264142 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 64966386000 in words is "sixty-four billion, nine hundred sixty-six million, three hundred eighty-six thousand".