64501966 has 8 divisors (see below), whose sum is σ = 96789384. Its totient is φ = 32238840.

The previous prime is 64501939. The next prime is 64501973. The reversal of 64501966 is 66910546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (12098673).

Almost surely, 2^64501966 is an apocalyptic number.

64501966 is a deficient number, since it is larger than the sum of its proper divisors (32287418).

64501966 is a wasteful number, since it uses less digits than its factorization.

64501966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64501966 is about 8031.3115989856. The cubic root of 64501966 is about 401.0430403032.

The spelling of 64501966 in words is "sixty-four million, five hundred one thousand, nine hundred sixty-six".