64429160 has 64 divisors (see below), whose sum is σ = 150958080. Its totient is φ = 24721920.

The previous prime is 64429117. The next prime is 64429219. The reversal of 64429160 is 6192446.

It is a happy number.

It is a super-2 number, since 2×64429160² = 8302233316611200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276404 + ... + 276636.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^64429160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64429160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75479040).

64429160 is an abundant number, since it is smaller than the sum of its proper divisors (86528920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64429160 is a wasteful number, since it uses less digits than its factorization.

64429160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64429160 is about 8026.7776847250. Note that the first 3 decimals coincide. The cubic root of 64429160 is about 400.8920922827.

The spelling of 64429160 in words is "sixty-four million, four hundred twenty-nine thousand, one hundred sixty".