64158007 has 4 divisors (see below), whose sum is σ = 64217800. Its totient is φ = 64098216.

The previous prime is 64157999. The next prime is 64158011. The reversal of 64158007 is 70085146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64158007 - 2³ = 64157999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64158007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64158077) 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, 28257 + ... + 30442.

It is an arithmetic number, because the mean of its divisors is an integer number (16054450).

Almost surely, 2^64158007 is an apocalyptic number.

64158007 is a deficient number, since it is larger than the sum of its proper divisors (59793).

64158007 is a wasteful number, since it uses less digits than its factorization.

64158007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59792.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 64158007 is about 8009.8693497460. The cubic root of 64158007 is about 400.3289107202.

The spelling of 64158007 in words is "sixty-four million, one hundred fifty-eight thousand, seven".