64109115630 has 128 divisors (see below), whose sum is σ = 196234675200. Its totient is φ = 14589424512.

The previous prime is 64109115607. The next prime is 64109115689. The reversal of 64109115630 is 3651190146.

64109115630 is a `hidden beast` number, since 6 + 4 + 1 + 0 + 9 + 1 + 15 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 358749 + ... + 506871.

It is an arithmetic number, because the mean of its divisors is an integer number (1533083400).

Almost surely, 2^64109115630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64109115630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98117337600).

64109115630 is an abundant number, since it is smaller than the sum of its proper divisors (132125559570).

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

64109115630 is a wasteful number, since it uses less digits than its factorization.

64109115630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148375 (or 148369 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 64109115630 in words is "sixty-four billion, one hundred nine million, one hundred fifteen thousand, six hundred thirty".