66053100 has 36 divisors (see below), whose sum is σ = 191114504. Its totient is φ = 17614080.

The previous prime is 66053093. The next prime is 66053111. The reversal of 66053100 is 135066.

It is a super-2 number, since 2×66053100² = 8726024039220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109789 + ... + 110388.

Almost surely, 2^66053100 is an apocalyptic number.

66053100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66053100 is an abundant number, since it is smaller than the sum of its proper divisors (125061404).

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

66053100 is a wasteful number, since it uses less digits than its factorization.

66053100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220194 (or 220187 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 66053100 is about 8127.3058266562. The cubic root of 66053100 is about 404.2323517196.

Adding to 66053100 its reverse (135066), we get a palindrome (66188166).

The spelling of 66053100 in words is "sixty-six million, fifty-three thousand, one hundred".