66118134 has 16 divisors (see below), whose sum is σ = 140015088. Its totient is φ = 20742912.

The previous prime is 66118127. The next prime is 66118141. The reversal of 66118134 is 43181166.

It is an interprime number because it is at equal distance from previous prime (66118127) and next prime (66118141).

It is a congruent 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, 324007 + ... + 324210.

It is an arithmetic number, because the mean of its divisors is an integer number (8750943).

Almost surely, 2^66118134 is an apocalyptic number.

66118134 is an abundant number, since it is smaller than the sum of its proper divisors (73896954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66118134 is a wasteful number, since it uses less digits than its factorization.

66118134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648239.

The product of its digits is 3456, while the sum is 30.

The square root of 66118134 is about 8131.3057991936. The cubic root of 66118134 is about 404.3649734221.

The spelling of 66118134 in words is "sixty-six million, one hundred eighteen thousand, one hundred thirty-four".