2038491487165 has 36 divisors (see below), whose sum is σ = 2916665171028. Its totient is φ = 1363729221120.

The previous prime is 2038491487163. The next prime is 2038491487171. The reversal of 2038491487165 is 5617841948302.

It can be written as a sum of positive squares in 6 ways, for example, as 143832838009 + 1894658649156 = 379253^2 + 1376466^2 .

It is not a de Polignac number, because 2038491487165 - 2¹ = 2038491487163 is a prime.

It is a super-3 number, since 3×2038491487165³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2038491487163) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2062984 + ... + 2886673.

It is an arithmetic number, because the mean of its divisors is an integer number (81018476973).

It is a 1-persistent number, because it is pandigital, but 2⋅2038491487165 = 4076982974330 is not.

Almost surely, 2^{2038491487165} is an apocalyptic number.

It is an amenable number.

2038491487165 is a deficient number, since it is larger than the sum of its proper divisors (878173683863).

2038491487165 is an equidigital number, since it uses as much as digits as its factorization.

2038491487165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949758 (or 4949710 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 2038491487165 in words is "two trillion, thirty-eight billion, four hundred ninety-one million, four hundred eighty-seven thousand, one hundred sixty-five".