66525060 has 48 divisors (see below), whose sum is σ = 212881536. Its totient is φ = 15205632.

The previous prime is 66525059. The next prime is 66525071. The reversal of 66525060 is 6052566.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78777 + ... + 79616.

It is an arithmetic number, because the mean of its divisors is an integer number (4435032).

Almost surely, 2^66525060 is an apocalyptic number.

66525060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66525060 is an abundant number, since it is smaller than the sum of its proper divisors (146356476).

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

66525060 is a wasteful number, since it uses less digits than its factorization.

66525060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158412 (or 158410 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 66525060 is about 8156.2895976050. The cubic root of 66525060 is about 405.1928360761.

The spelling of 66525060 in words is "sixty-six million, five hundred twenty-five thousand, sixty".