165151622201524 has 96 divisors (see below), whose sum is σ = 350629621703424. Its totient is φ = 66444989644800.

The previous prime is 165151622201431. The next prime is 165151622201543. The reversal of 165151622201524 is 425102226151561.

165151622201524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4347563659 + ... + 4347601645.

It is an arithmetic number, because the mean of its divisors is an integer number (3652391892744).

Almost surely, 2^{165151622201524} is an apocalyptic number.

165151622201524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165151622201524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175314810851712).

165151622201524 is an abundant number, since it is smaller than the sum of its proper divisors (185477999501900).

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

165151622201524 is a wasteful number, since it uses less digits than its factorization.

165151622201524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61193 (or 61191 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 165151622201524 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, six hundred twenty-two million, two hundred one thousand, five hundred twenty-four".