165276851922 has 330 divisors, whose sum is σ = 468631860003. Its totient is φ = 43589499408.

The previous prime is 165276851921. The next prime is 165276851947. The reversal of 165276851922 is 229158672561.

165276851922 is a `hidden beast` number, since 1 + 6 + 52 + 76 + 8 + 519 + 2 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2893401 + 165273958521 = 1701^2 + 406539^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=287469.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3628800) is a multiple of the sum of its prime divisors (25).

It is not an unprimeable number, because it can be changed into a prime (165276851921) by changing a digit.

It is a polite number, since it can be written in 164 ways as a sum of consecutive naturals, for example, 12713603988 + ... + 12713604000.

Almost surely, 2^165276851922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165276851922

165276851922 is an abundant number, since it is smaller than the sum of its proper divisors (303355008081).

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

165276851922 is an frugal number, since it uses more digits than its factorization.

165276851922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 25 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 165276851922 in words is "one hundred sixty-five billion, two hundred seventy-six million, eight hundred fifty-one thousand, nine hundred twenty-two".