964156793828244 has 144 divisors (see below), whose sum is σ = 2374733693509632. Its totient is φ = 304410278817216.

The previous prime is 964156793828243. The next prime is 964156793828257. The reversal of 964156793828244 is 442828397651469.

It is a self number, because there is not a number n which added to its sum of digits gives 964156793828244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964156793828243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16099570869 + ... + 16099630755.

It is an arithmetic number, because the mean of its divisors is an integer number (16491206204928).

Almost surely, 2^{964156793828244} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 964156793828244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187366846754816).

964156793828244 is an abundant number, since it is smaller than the sum of its proper divisors (1410576899681388).

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

964156793828244 is a wasteful number, since it uses less digits than its factorization.

964156793828244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84666 (or 84641 counting only the distinct ones).

The product of its digits is 5016453120, while the sum is 78.

The spelling of 964156793828244 in words is "nine hundred sixty-four trillion, one hundred fifty-six billion, seven hundred ninety-three million, eight hundred twenty-eight thousand, two hundred forty-four".