64813407162 has 64 divisors (see below), whose sum is σ = 151352776704. Its totient is φ = 18120801600.

The previous prime is 64813407157. The next prime is 64813407163. The reversal of 64813407162 is 26170431846.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (64813407163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348648 + ... + 501180.

It is an arithmetic number, because the mean of its divisors is an integer number (2364887136).

Almost surely, 2^64813407162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64813407162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75676388352).

64813407162 is an abundant number, since it is smaller than the sum of its proper divisors (86539369542).

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

64813407162 is a wasteful number, since it uses less digits than its factorization.

64813407162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152763.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 64813407162 in words is "sixty-four billion, eight hundred thirteen million, four hundred seven thousand, one hundred sixty-two".