165226384031 has 8 divisors (see below), whose sum is σ = 165536797104. Its totient is φ = 164916138240.

The previous prime is 165226384027. The next prime is 165226384069. The reversal of 165226384031 is 130483622561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165226384031 - 2² = 165226384027 is a prime.

It is a super-2 number, since 2×165226384031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165226384031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165226384091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031215 + ... + 2110991.

It is an arithmetic number, because the mean of its divisors is an integer number (20692099638).

Almost surely, 2^165226384031 is an apocalyptic number.

165226384031 is a deficient number, since it is larger than the sum of its proper divisors (310413073).

165226384031 is an equidigital number, since it uses as much as digits as its factorization.

165226384031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83641.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 165226384031 in words is "one hundred sixty-five billion, two hundred twenty-six million, three hundred eighty-four thousand, thirty-one".