165210015601445 has 32 divisors (see below), whose sum is σ = 210370202058240. Its totient is φ = 124332264000000.

The previous prime is 165210015601429. The next prime is 165210015601493. The reversal of 165210015601445 is 544106510012561.

It is not a de Polignac number, because 165210015601445 - 2⁴ = 165210015601429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 14037131 + ... + 22966520.

It is an arithmetic number, because the mean of its divisors is an integer number (6574068814320).

Almost surely, 2^{165210015601445} is an apocalyptic number.

It is an amenable number.

165210015601445 is a deficient number, since it is larger than the sum of its proper divisors (45160186456795).

165210015601445 is a wasteful number, since it uses less digits than its factorization.

165210015601445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37004477.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 165210015601445 in words is "one hundred sixty-five trillion, two hundred ten billion, fifteen million, six hundred one thousand, four hundred forty-five".