64849158144 has 224 divisors, whose sum is σ = 196847642880. Its totient is φ = 21086208000.

The previous prime is 64849158083. The next prime is 64849158167. The reversal of 64849158144 is 44185194846.

64849158144 is a `hidden beast` number, since 6 + 4 + 8 + 491 + 5 + 8 + 144 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9064969 + ... + 9072119.

It is an arithmetic number, because the mean of its divisors is an integer number (878784120).

Almost surely, 2^64849158144 is an apocalyptic number.

64849158144 is a gapful number since it is divisible by the number (64) 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 64849158144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98423821440).

64849158144 is an abundant number, since it is smaller than the sum of its proper divisors (131998484736).

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

64849158144 is an equidigital number, since it uses as much as digits as its factorization.

64849158144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7227 (or 7197 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 64849158144 in words is "sixty-four billion, eight hundred forty-nine million, one hundred fifty-eight thousand, one hundred forty-four".