66763115 has 8 divisors (see below), whose sum is σ = 80314080. Its totient is φ = 53278272.

The previous prime is 66763091. The next prime is 66763153. The reversal of 66763115 is 51136766.

It is a happy number.

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 66763115 - 2¹⁴ = 66746731 is a prime.

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, 14279 + ... + 18368.

It is an arithmetic number, because the mean of its divisors is an integer number (10039260).

Almost surely, 2^66763115 is an apocalyptic number.

66763115 is a deficient number, since it is larger than the sum of its proper divisors (13550965).

66763115 is a wasteful number, since it uses less digits than its factorization.

66763115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33061.

The product of its digits is 22680, while the sum is 35.

The square root of 66763115 is about 8170.8699047286. The cubic root of 66763115 is about 405.6755782318.

The spelling of 66763115 in words is "sixty-six million, seven hundred sixty-three thousand, one hundred fifteen".