66060155 has 8 divisors (see below), whose sum is σ = 90596832. Its totient is φ = 45298368.

The previous prime is 66060149. The next prime is 66060157. The reversal of 66060155 is 55106066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66060155 - 2¹⁰ = 66059131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66060157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943682 + ... + 943751.

It is an arithmetic number, because the mean of its divisors is an integer number (11324604).

Almost surely, 2^66060155 is an apocalyptic number.

66060155 is a deficient number, since it is larger than the sum of its proper divisors (24536677).

66060155 is a wasteful number, since it uses less digits than its factorization.

66060155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887445.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 66060155 is about 8127.7398457382. The cubic root of 66060155 is about 404.2467429580.

The spelling of 66060155 in words is "sixty-six million, sixty thousand, one hundred fifty-five".