61341665 has 32 divisors (see below), whose sum is σ = 92261376. Its totient is φ = 38036160.

The previous prime is 61341659. The next prime is 61341701. The reversal of 61341665 is 56614316.

It is not a de Polignac number, because 61341665 - 2¹² = 61337569 is a prime.

It is a Duffinian number.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 108674 + ... + 109236.

It is an arithmetic number, because the mean of its divisors is an integer number (2883168).

Almost surely, 2^61341665 is an apocalyptic number.

It is an amenable number.

61341665 is a deficient number, since it is larger than the sum of its proper divisors (30919711).

61341665 is a wasteful number, since it uses less digits than its factorization.

61341665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its digits is 12960, while the sum is 32.

The square root of 61341665 is about 7832.0919938417. The cubic root of 61341665 is about 394.3833030200.

The spelling of 61341665 in words is "sixty-one million, three hundred forty-one thousand, six hundred sixty-five".