66151122 has 32 divisors (see below), whose sum is σ = 142672320. Its totient is φ = 20378880.

The previous prime is 66151093. The next prime is 66151123. The reversal of 66151122 is 22115166.

It is a junction number, because it is equal to n+sod(n) for n = 66151092 and 66151101.

It is not an unprimeable number, because it can be changed into a prime (66151123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403 + ... + 11750.

It is an arithmetic number, because the mean of its divisors is an integer number (4458510).

Almost surely, 2^66151122 is an apocalyptic number.

66151122 is an abundant number, since it is smaller than the sum of its proper divisors (76521198).

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

66151122 is a wasteful number, since it uses less digits than its factorization.

66151122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218.

The product of its digits is 720, while the sum is 24.

The square root of 66151122 is about 8133.3340027322. The cubic root of 66151122 is about 404.4322115263.

Adding to 66151122 its reverse (22115166), we get a palindrome (88266288).

The spelling of 66151122 in words is "sixty-six million, one hundred fifty-one thousand, one hundred twenty-two".