66059480 has 32 divisors (see below), whose sum is σ = 149631840. Its totient is φ = 26246400.

The previous prime is 66059479. The next prime is 66059491. The reversal of 66059480 is 8495066.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 572 + ... + 11508.

It is an arithmetic number, because the mean of its divisors is an integer number (4675995).

Almost surely, 2^66059480 is an apocalyptic number.

It is an amenable number.

66059480 is an abundant number, since it is smaller than the sum of its proper divisors (83572360).

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

66059480 is a wasteful number, since it uses less digits than its factorization.

66059480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11099 (or 11095 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 66059480 is about 8127.6983211731. The cubic root of 66059480 is about 404.2453660943.

The spelling of 66059480 in words is "sixty-six million, fifty-nine thousand, four hundred eighty".