64110061 has 4 divisors (see below), whose sum is σ = 64129824. Its totient is φ = 64090300.

The previous prime is 64110031. The next prime is 64110071. The reversal of 64110061 is 16001146.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64110061 - 2²³ = 55721453 is a prime.

It is a super-2 number, since 2×64110061² = 8220199842847442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64110031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3745 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (16032456).

Almost surely, 2^64110061 is an apocalyptic number.

It is an amenable number.

64110061 is a deficient number, since it is larger than the sum of its proper divisors (19763).

64110061 is a wasteful number, since it uses less digits than its factorization.

64110061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19762.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 64110061 is about 8006.8758576613. The cubic root of 64110061 is about 400.2291624364.

The spelling of 64110061 in words is "sixty-four million, one hundred ten thousand, sixty-one".