64193316 has 24 divisors (see below), whose sum is σ = 163401504. Its totient is φ = 19452480.

The previous prime is 64193291. The next prime is 64193323. The reversal of 64193316 is 61339146.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243025 + ... + 243288.

It is an arithmetic number, because the mean of its divisors is an integer number (6808396).

Almost surely, 2^64193316 is an apocalyptic number.

64193316 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

64193316 is an abundant number, since it is smaller than the sum of its proper divisors (99208188).

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

64193316 is a wasteful number, since it uses less digits than its factorization.

64193316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486331 (or 486329 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 64193316 is about 8012.0731399557. The cubic root of 64193316 is about 400.4023368436.

The spelling of 64193316 in words is "sixty-four million, one hundred ninety-three thousand, three hundred sixteen".