165156515500006 has 8 divisors (see below), whose sum is σ = 247737581948664. Its totient is φ = 82577321517120.

The previous prime is 165156515499979. The next prime is 165156515500007. The reversal of 165156515500006 is 600005515651561.

It is a happy number.

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

It is a super-2 number, since 2×165156515500006² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165156515500007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467895915 + ... + 468248758.

It is an arithmetic number, because the mean of its divisors is an integer number (30967197743583).

Almost surely, 2^{165156515500006} is an apocalyptic number.

165156515500006 is a deficient number, since it is larger than the sum of its proper divisors (82581066448658).

165156515500006 is an equidigital number, since it uses as much as digits as its factorization.

165156515500006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936232886.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 165156515500006 in words is "one hundred sixty-five trillion, one hundred fifty-six billion, five hundred fifteen million, five hundred thousand, six".