18066129357 has 8 divisors (see below), whose sum is σ = 24600686976. Its totient is φ = 11787828992.

The previous prime is 18066129337. The next prime is 18066129383. The reversal of 18066129357 is 75392166081.

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 18066129357 - 2⁶ = 18066129293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18066129337) 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, 64064148 + ... + 64064429.

It is an arithmetic number, because the mean of its divisors is an integer number (3075085872).

Almost surely, 2^18066129357 is an apocalyptic number.

It is an amenable number.

18066129357 is a deficient number, since it is larger than the sum of its proper divisors (6534557619).

18066129357 is a wasteful number, since it uses less digits than its factorization.

18066129357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128128627.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 18066129357 in words is "eighteen billion, sixty-six million, one hundred twenty-nine thousand, three hundred fifty-seven".