66483155 has 8 divisors (see below), whose sum is σ = 80389584. Its totient is φ = 52780000.

The previous prime is 66483143. The next prime is 66483173. The reversal of 66483155 is 55138466.

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

It is not a de Polignac number, because 66483155 - 2⁴ = 66483139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50096 + ... + 51405.

It is an arithmetic number, because the mean of its divisors is an integer number (10048698).

Almost surely, 2^66483155 is an apocalyptic number.

66483155 is a deficient number, since it is larger than the sum of its proper divisors (13906429).

66483155 is a wasteful number, since it uses less digits than its factorization.

66483155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101637.

The product of its digits is 86400, while the sum is 38.

The square root of 66483155 is about 8153.7203165181. The cubic root of 66483155 is about 405.1077394610.

The spelling of 66483155 in words is "sixty-six million, four hundred eighty-three thousand, one hundred fifty-five".