64216958 has 24 divisors (see below), whose sum is σ = 104810688. Its totient is φ = 29495232.

The previous prime is 64216951. The next prime is 64216961. The reversal of 64216958 is 85961246.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64216951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105491 + ... + 106097.

It is an arithmetic number, because the mean of its divisors is an integer number (4367112).

Almost surely, 2^64216958 is an apocalyptic number.

64216958 is a deficient number, since it is larger than the sum of its proper divisors (40593730).

64216958 is a wasteful number, since it uses less digits than its factorization.

64216958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 935 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 64216958 is about 8013.5484025493. The cubic root of 64216958 is about 400.4514860425.

The spelling of 64216958 in words is "sixty-four million, two hundred sixteen thousand, nine hundred fifty-eight".