60666152221090 has 64 divisors (see below), whose sum is σ = 119918302199136. Its totient is φ = 21958747379712.

The previous prime is 60666152221069. The next prime is 60666152221091. The reversal of 60666152221090 is 9012225166606.

It can be written as a sum of positive squares in 16 ways, for example, as 16657164779761 + 44008987441329 = 4081319^2 + 6633927^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 60666152221090.

It is not an unprimeable number, because it can be changed into a prime (60666152221091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4529512 + ... + 11910028.

Almost surely, 2^{60666152221090} is an apocalyptic number.

60666152221090 is a deficient number, since it is larger than the sum of its proper divisors (59252149978046).

60666152221090 is a wasteful number, since it uses less digits than its factorization.

60666152221090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381783.

The product of its (nonzero) digits is 466560, while the sum is 46.

Adding to 60666152221090 its reverse (9012225166606), we get a palindrome (69678377387696).

The spelling of 60666152221090 in words is "sixty trillion, six hundred sixty-six billion, one hundred fifty-two million, two hundred twenty-one thousand, ninety".