65148091092 has 144 divisors (see below), whose sum is σ = 191636495232. Its totient is φ = 18276710400.

The previous prime is 65148091091. The next prime is 65148091093. The reversal of 65148091092 is 29019084156.

65148091092 is a `hidden beast` number, since 65 + 1 + 480 + 9 + 109 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (65148091091) and next prime (65148091093).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65148091091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4168092 + ... + 4183692.

Almost surely, 2^65148091092 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 65148091092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95818247616).

65148091092 is an abundant number, since it is smaller than the sum of its proper divisors (126488404140).

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

65148091092 is a wasteful number, since it uses less digits than its factorization.

65148091092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15918 (or 15913 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 65148091092 in words is "sixty-five billion, one hundred forty-eight million, ninety-one thousand, ninety-two".