64648100 has 36 divisors (see below), whose sum is σ = 153042288. Its totient is φ = 23508000.

The previous prime is 64648081. The next prime is 64648109. The reversal of 64648100 is 184646.

It is a super-2 number, since 2×64648100² = 8358753667220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64648109) 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, 28286 + ... + 30485.

Almost surely, 2^64648100 is an apocalyptic number.

It is an amenable number.

64648100 is an abundant number, since it is smaller than the sum of its proper divisors (88394188).

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

64648100 is a wasteful number, since it uses less digits than its factorization.

64648100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58796 (or 58789 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 64648100 is about 8040.4042186945. The cubic root of 64648100 is about 401.3456761459.

The spelling of 64648100 in words is "sixty-four million, six hundred forty-eight thousand, one hundred".