165510601066010 has 8 divisors (see below), whose sum is σ = 297919081918836. Its totient is φ = 66204240426400.

The previous prime is 165510601065961. The next prime is 165510601066049. The reversal of 165510601066010 is 10660106015561.

It can be written as a sum of positive squares in 2 ways, for example, as 165140721802681 + 369879263329 = 12850709^2 + 608177^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8275530053291 + ... + 8275530053310.

Almost surely, 2^{165510601066010} is an apocalyptic number.

165510601066010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165510601066010 is a deficient number, since it is larger than the sum of its proper divisors (132408480852826).

165510601066010 is a wasteful number, since it uses less digits than its factorization.

165510601066010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16551060106608.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 165510601066010 in words is "one hundred sixty-five trillion, five hundred ten billion, six hundred one million, sixty-six thousand, ten".