61632165 has 16 divisors (see below), whose sum is σ = 112699008. Its totient is φ = 28174656.

The previous prime is 61632133. The next prime is 61632187. The reversal of 61632165 is 56123616.

It is not a de Polignac number, because 61632165 - 2⁵ = 61632133 is a prime.

It is a super-3 number, since 3×61632165³ (a number of 24 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293382 + ... + 293591.

It is an arithmetic number, because the mean of its divisors is an integer number (7043688).

Almost surely, 2^61632165 is an apocalyptic number.

It is an amenable number.

61632165 is a deficient number, since it is larger than the sum of its proper divisors (51066843).

61632165 is a wasteful number, since it uses less digits than its factorization.

61632165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586988.

The product of its digits is 6480, while the sum is 30.

The square root of 61632165 is about 7850.6155809592. The cubic root of 61632165 is about 395.0048923178.

The spelling of 61632165 in words is "sixty-one million, six hundred thirty-two thousand, one hundred sixty-five".