64670151 has 48 divisors (see below), whose sum is σ = 110673024. Its totient is φ = 33276096.

The previous prime is 64670149. The next prime is 64670153. The reversal of 64670151 is 15107646.

It is an interprime number because it is at equal distance from previous prime (64670149) and next prime (64670153).

It is not a de Polignac number, because 64670151 - 2¹ = 64670149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64670153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81780 + ... + 82566.

It is an arithmetic number, because the mean of its divisors is an integer number (2305688).

Almost surely, 2^64670151 is an apocalyptic number.

64670151 is a deficient number, since it is larger than the sum of its proper divisors (46002873).

64670151 is a wasteful number, since it uses less digits than its factorization.

64670151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 64670151 is about 8041.7753636868. The cubic root of 64670151 is about 401.3913029958.

Adding to 64670151 its reverse (15107646), we get a palindrome (79777797).

The spelling of 64670151 in words is "sixty-four million, six hundred seventy thousand, one hundred fifty-one".