66142002 has 32 divisors (see below), whose sum is σ = 147441600. Its totient is φ = 19657728.

The previous prime is 66141991. The next prime is 66142033. The reversal of 66142002 is 20024166.

It is a happy number.

It is a super-3 number, since 3×66142002³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66142002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15127 + ... + 19002.

It is an arithmetic number, because the mean of its divisors is an integer number (4607550).

Almost surely, 2^66142002 is an apocalyptic number.

66142002 is an abundant number, since it is smaller than the sum of its proper divisors (81299598).

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

66142002 is a wasteful number, since it uses less digits than its factorization.

66142002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34170.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 66142002 is about 8132.7733277155. The cubic root of 66142002 is about 404.4136248358.

Adding to 66142002 its reverse (20024166), we get a palindrome (86166168).

The spelling of 66142002 in words is "sixty-six million, one hundred forty-two thousand, two".