66048969 has 8 divisors (see below), whose sum is σ = 100646080. Its totient is φ = 37742256.

The previous prime is 66048943. The next prime is 66048973. The reversal of 66048969 is 96984066.

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

It is not a de Polignac number, because 66048969 - 2⁷ = 66048841 is a prime.

It is a super-2 number, since 2×66048969² = 8724932611925922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66048929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572574 + ... + 1572615.

It is an arithmetic number, because the mean of its divisors is an integer number (12580760).

Almost surely, 2^66048969 is an apocalyptic number.

It is an amenable number.

66048969 is a deficient number, since it is larger than the sum of its proper divisors (34597111).

66048969 is a wasteful number, since it uses less digits than its factorization.

66048969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145199.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 66048969 is about 8127.0516794222. The cubic root of 66048969 is about 404.2239245671.

The spelling of 66048969 in words is "sixty-six million, forty-eight thousand, nine hundred sixty-nine".