64555229100 has 36 divisors (see below), whose sum is σ = 186779797064. Its totient is φ = 17214727680.

The previous prime is 64555229087. The next prime is 64555229129. The reversal of 64555229100 is 192255546.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107591749 + ... + 107592348.

Almost surely, 2^64555229100 is an apocalyptic number.

64555229100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64555229100 is an abundant number, since it is smaller than the sum of its proper divisors (122224567964).

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

64555229100 is a wasteful number, since it uses less digits than its factorization.

64555229100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215184114 (or 215184107 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 64555229100 in words is "sixty-four billion, five hundred fifty-five million, two hundred twenty-nine thousand, one hundred".