66060356 has 6 divisors (see below), whose sum is σ = 115605630. Its totient is φ = 33030176.

The previous prime is 66060311. The next prime is 66060361. The reversal of 66060356 is 65306066.

It can be written as a sum of positive squares in only one way, i.e., 65060356 + 1000000 = 8066^2 + 1000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8257541 + ... + 8257548.

It is an arithmetic number, because the mean of its divisors is an integer number (19267605).

Almost surely, 2^66060356 is an apocalyptic number.

It is an amenable number.

66060356 is a deficient number, since it is larger than the sum of its proper divisors (49545274).

66060356 is a wasteful number, since it uses less digits than its factorization.

66060356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16515093 (or 16515091 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 66060356 is about 8127.7522107899. The cubic root of 66060356 is about 404.2471529556.

It can be divided in two parts, 660 and 60356, that added together give a palindrome (61016).

The spelling of 66060356 in words is "sixty-six million, sixty thousand, three hundred fifty-six".