66073051 has 8 divisors (see below), whose sum is σ = 75873600. Its totient is φ = 56904840.

The previous prime is 66073039. The next prime is 66073061. The reversal of 66073051 is 15037066.

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 66073051 - 2⁵ = 66073019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66073001) 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, 157861 + ... + 158278.

It is an arithmetic number, because the mean of its divisors is an integer number (9484200).

Almost surely, 2^66073051 is an apocalyptic number.

66073051 is a deficient number, since it is larger than the sum of its proper divisors (9800549).

66073051 is a wasteful number, since it uses less digits than its factorization.

66073051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316169.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 66073051 is about 8128.5331395031. The cubic root of 66073051 is about 404.2730463921.

The spelling of 66073051 in words is "sixty-six million, seventy-three thousand, fifty-one".