66141507 has 32 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 41184000.

The previous prime is 66141497. The next prime is 66141511. The reversal of 66141507 is 70514166.

It is not a de Polignac number, because 66141507 - 2⁶ = 66141443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66141557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504832 + ... + 504962.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^66141507 is an apocalyptic number.

66141507 is a deficient number, since it is larger than the sum of its proper divisors (28138173).

66141507 is a wasteful number, since it uses less digits than its factorization.

66141507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 66141507 is about 8132.7428952353. The cubic root of 66141507 is about 404.4126159698.

The spelling of 66141507 in words is "sixty-six million, one hundred forty-one thousand, five hundred seven".