65114737820 has 96 divisors (see below), whose sum is σ = 150309734400. Its totient is φ = 23498184960.

The previous prime is 65114737801. The next prime is 65114737837. The reversal of 65114737820 is 2873741156.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17120039 + ... + 17123841.

It is an arithmetic number, because the mean of its divisors is an integer number (1565726400).

Almost surely, 2^65114737820 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 65114737820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75154867200).

65114737820 is an abundant number, since it is smaller than the sum of its proper divisors (85194996580).

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

65114737820 is a wasteful number, since it uses less digits than its factorization.

65114737820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395 (or 4393 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 65114737820 in words is "sixty-five billion, one hundred fourteen million, seven hundred thirty-seven thousand, eight hundred twenty".