153404120165 has 12 divisors (see below), whose sum is σ = 192436627404. Its totient is φ = 117387498624.

The previous prime is 153404120161. The next prime is 153404120167. The reversal of 153404120165 is 561021404351.

It can be written as a sum of positive squares in 2 ways, for example, as 88659826564 + 64744293601 = 297758^2 + 254449^2 .

It is not a de Polignac number, because 153404120165 - 2² = 153404120161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153404120161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28996244 + ... + 29001533.

It is an arithmetic number, because the mean of its divisors is an integer number (16036385617).

Almost surely, 2^153404120165 is an apocalyptic number.

It is an amenable number.

153404120165 is a deficient number, since it is larger than the sum of its proper divisors (39032507239).

153404120165 is an equidigital number, since it uses as much as digits as its factorization.

153404120165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57997828 (or 57997805 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 153404120165 in words is "one hundred fifty-three billion, four hundred four million, one hundred twenty thousand, one hundred sixty-five".