64260161 has 8 divisors (see below), whose sum is σ = 75231744. Its totient is φ = 53736480.

The previous prime is 64260151. The next prime is 64260167. The reversal of 64260161 is 16106246.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-64260161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64260161.

It is not an unprimeable number, because it can be changed into a prime (64260167) 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, 111665 + ... + 112238.

It is an arithmetic number, because the mean of its divisors is an integer number (9403968).

Almost surely, 2^64260161 is an apocalyptic number.

It is an amenable number.

64260161 is a deficient number, since it is larger than the sum of its proper divisors (10971583).

64260161 is a wasteful number, since it uses less digits than its factorization.

64260161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223951.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 64260161 is about 8016.2435716488. The cubic root of 64260161 is about 400.5412693218.

The spelling of 64260161 in words is "sixty-four million, two hundred sixty thousand, one hundred sixty-one".