64061611 has 8 divisors (see below), whose sum is σ = 65908800. Its totient is φ = 62234688.

The previous prime is 64061587. The next prime is 64061629. The reversal of 64061611 is 11616046.

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

It is a cyclic number.

It is not a de Polignac number, because 64061611 - 2¹⁵ = 64028843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64068611) 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, 1465 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (8238600).

Almost surely, 2^64061611 is an apocalyptic number.

64061611 is a deficient number, since it is larger than the sum of its proper divisors (1847189).

64061611 is a wasteful number, since it uses less digits than its factorization.

64061611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 64061611 is about 8003.8497612087. The cubic root of 64061611 is about 400.1283150837.

Adding to 64061611 its reverse (11616046), we get a palindrome (75677657).

The spelling of 64061611 in words is "sixty-four million, sixty-one thousand, six hundred eleven".