165622426333 has 72 divisors (see below), whose sum is σ = 221212303200. Its totient is φ = 123235572096.

The previous prime is 165622426327. The next prime is 165622426337. The reversal of 165622426333 is 333624226561.

It is not a de Polignac number, because 165622426333 - 2³⁷ = 28183472861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165622426333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165622426337) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21866335 + ... + 21873907.

It is an arithmetic number, because the mean of its divisors is an integer number (3072393100).

Almost surely, 2^165622426333 is an apocalyptic number.

165622426333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165622426333 is a deficient number, since it is larger than the sum of its proper divisors (55589876867).

165622426333 is a wasteful number, since it uses less digits than its factorization.

165622426333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771 (or 7751 counting only the distinct ones).

The product of its digits is 933120, while the sum is 43.

The spelling of 165622426333 in words is "one hundred sixty-five billion, six hundred twenty-two million, four hundred twenty-six thousand, three hundred thirty-three".