165136440410 has 32 divisors (see below), whose sum is σ = 300441551760. Its totient is φ = 65344960512.

The previous prime is 165136440373. The next prime is 165136440479. The reversal of 165136440410 is 14044631561.

165136440410 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 16050102721 + 149086337689 = 126689^2 + 386117^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250176 + ... + 2322404.

Almost surely, 2^165136440410 is an apocalyptic number.

165136440410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165136440410 is a deficient number, since it is larger than the sum of its proper divisors (135305111350).

165136440410 is a wasteful number, since it uses less digits than its factorization.

165136440410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74690.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 165136440410 in words is "one hundred sixty-five billion, one hundred thirty-six million, four hundred forty thousand, four hundred ten".