64112061 has 32 divisors (see below), whose sum is σ = 100065280. Its totient is φ = 36158400.

The previous prime is 64112021. The next prime is 64112071. The reversal of 64112061 is 16021146.

It is not a de Polignac number, because 64112061 - 2⁷ = 64111933 is a prime.

It is a super-2 number, since 2×64112061² = 8220712731335442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64112021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21576 + ... + 24366.

It is an arithmetic number, because the mean of its divisors is an integer number (3127040).

Almost surely, 2^64112061 is an apocalyptic number.

It is an amenable number.

64112061 is a deficient number, since it is larger than the sum of its proper divisors (35953219).

64112061 is a wasteful number, since it uses less digits than its factorization.

64112061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 64112061 is about 8007.0007493443. Note that the first 3 decimals coincide. The cubic root of 64112061 is about 400.2333242896.

The spelling of 64112061 in words is "sixty-four million, one hundred twelve thousand, sixty-one".