64167340 has 12 divisors (see below), whose sum is σ = 134751456. Its totient is φ = 25666928.

The previous prime is 64167283. The next prime is 64167347. The reversal of 64167340 is 4376146.

It is not an unprimeable number, because it can be changed into a prime (64167347) 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, 1604164 + ... + 1604203.

It is an arithmetic number, because the mean of its divisors is an integer number (11229288).

Almost surely, 2^64167340 is an apocalyptic number.

It is an amenable number.

64167340 is an abundant number, since it is smaller than the sum of its proper divisors (70584116).

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

64167340 is a wasteful number, since it uses less digits than its factorization.

64167340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208376 (or 3208374 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 64167340 is about 8010.4519223325. The cubic root of 64167340 is about 400.3483215921.

The spelling of 64167340 in words is "sixty-four million, one hundred sixty-seven thousand, three hundred forty".