64461167 has 4 divisors (see below), whose sum is σ = 67853880. Its totient is φ = 61068456.

The previous prime is 64461139. The next prime is 64461179. The reversal of 64461167 is 76116446.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64461167 is a prime.

It is a super-3 number, since 3×64461167³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64461107) 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, 1696328 + ... + 1696365.

It is an arithmetic number, because the mean of its divisors is an integer number (16963470).

Almost surely, 2^64461167 is an apocalyptic number.

64461167 is a deficient number, since it is larger than the sum of its proper divisors (3392713).

64461167 is a wasteful number, since it uses less digits than its factorization.

64461167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392712.

The product of its digits is 24192, while the sum is 35.

The square root of 64461167 is about 8028.7712011241. The cubic root of 64461167 is about 400.9584661058.

The spelling of 64461167 in words is "sixty-four million, four hundred sixty-one thousand, one hundred sixty-seven".