165501010 has 16 divisors (see below), whose sum is σ = 305168472. Its totient is φ = 64585600.

The previous prime is 165500987. The next prime is 165501013. The reversal of 165501010 is 10105561.

165501010 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 4 ways, for example, as 102758769 + 62742241 = 10137^2 + 7921^2 .

It is a super-2 number, since 2×165501010² = 54781168622040200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165501013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201421 + ... + 202240.

Almost surely, 2^165501010 is an apocalyptic number.

165501010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165501010 is a deficient number, since it is larger than the sum of its proper divisors (139667462).

165501010 is a wasteful number, since it uses less digits than its factorization.

165501010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403709.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 165501010 is about 12864.7195849735. The cubic root of 165501010 is about 549.0352342950.

Adding to 165501010 its reverse (10105561), we get a palindrome (175606571).

The spelling of 165501010 in words is "one hundred sixty-five million, five hundred one thousand, ten".