65790031104 has 324 divisors, whose sum is σ = 232279669440. Its totient is φ = 17807247360.

The previous prime is 65790031079. The next prime is 65790031133. The reversal of 65790031104 is 40113009756.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2129689 + ... + 2160359.

It is an arithmetic number, because the mean of its divisors is an integer number (716912560).

Almost surely, 2^65790031104 is an apocalyptic number.

65790031104 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 65790031104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116139834720).

65790031104 is an abundant number, since it is smaller than the sum of its proper divisors (166489638336).

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

65790031104 is a wasteful number, since it uses less digits than its factorization.

65790031104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30726 (or 30702 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 65790031104 in words is "sixty-five billion, seven hundred ninety million, thirty-one thousand, one hundred four".