64158851 has 4 divisors (see below), whose sum is σ = 65892912. Its totient is φ = 62424792.

The previous prime is 64158847. The next prime is 64158859. The reversal of 64158851 is 15885146.

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 64158851 - 2² = 64158847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64158859) 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, 866975 + ... + 867048.

It is an arithmetic number, because the mean of its divisors is an integer number (16473228).

Almost surely, 2^64158851 is an apocalyptic number.

64158851 is a deficient number, since it is larger than the sum of its proper divisors (1734061).

64158851 is a wasteful number, since it uses less digits than its factorization.

64158851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734060.

The product of its digits is 38400, while the sum is 38.

The square root of 64158851 is about 8009.9220345769. The cubic root of 64158851 is about 400.3306661577.

The spelling of 64158851 in words is "sixty-four million, one hundred fifty-eight thousand, eight hundred fifty-one".