64161105 has 16 divisors (see below), whose sum is σ = 105162624. Its totient is φ = 33384320.

The previous prime is 64161059. The next prime is 64161107. The reversal of 64161105 is 50116146.

It is not a de Polignac number, because 64161105 - 2¹⁴ = 64144721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64161107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51549 + ... + 52778.

It is an arithmetic number, because the mean of its divisors is an integer number (6572664).

Almost surely, 2^64161105 is an apocalyptic number.

It is an amenable number.

64161105 is a deficient number, since it is larger than the sum of its proper divisors (41001519).

64161105 is a wasteful number, since it uses less digits than its factorization.

64161105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104376.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 64161105 is about 8010.0627338367. The cubic root of 64161105 is about 400.3353541820.

The spelling of 64161105 in words is "sixty-four million, one hundred sixty-one thousand, one hundred five".