64006061 has 4 divisors (see below), whose sum is σ = 73149792. Its totient is φ = 54862332.

The previous prime is 64006051. The next prime is 64006067. The reversal of 64006061 is 16060046.

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 not a de Polignac number, because 64006061 - 2²² = 59811757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64006067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4571855 + ... + 4571868.

It is an arithmetic number, because the mean of its divisors is an integer number (18287448).

Almost surely, 2^64006061 is an apocalyptic number.

It is an amenable number.

64006061 is a deficient number, since it is larger than the sum of its proper divisors (9143731).

64006061 is an equidigital number, since it uses as much as digits as its factorization.

64006061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143730.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 64006061 is about 8000.3788035317. The cubic root of 64006061 is about 400.0126266847.

The spelling of 64006061 in words is "sixty-four million, six thousand, sixty-one".