664114151 has 4 divisors (see below), whose sum is σ = 667039992. Its totient is φ = 661188312.

The previous prime is 664114127. The next prime is 664114247. The reversal of 664114151 is 151411466.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151411466 = 2 ⋅75705733.

It is a cyclic number.

It is not a de Polignac number, because 664114151 - 2²⁶ = 597005287 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 (664114051) 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, 1462580 + ... + 1463033.

It is an arithmetic number, because the mean of its divisors is an integer number (166759998).

Almost surely, 2^664114151 is an apocalyptic number.

664114151 is a deficient number, since it is larger than the sum of its proper divisors (2925841).

664114151 is a wasteful number, since it uses less digits than its factorization.

664114151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925840.

The product of its digits is 2880, while the sum is 29.

The square root of 664114151 is about 25770.4123172292. The cubic root of 664114151 is about 872.4641248731.

The spelling of 664114151 in words is "six hundred sixty-four million, one hundred fourteen thousand, one hundred fifty-one".