60666152221131 has 4 divisors (see below), whose sum is σ = 80888202961512. Its totient is φ = 40444101480752.

The previous prime is 60666152221127. The next prime is 60666152221133. The reversal of 60666152221131 is 13112225166606.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60666152221131 - 2² = 60666152221127 is a prime.

It is a super-2 number, since 2×60666152221131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60666152221133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111025370186 + ... + 10111025370191.

It is an arithmetic number, because the mean of its divisors is an integer number (20222050740378).

Almost surely, 2^{60666152221131} is an apocalyptic number.

60666152221131 is a deficient number, since it is larger than the sum of its proper divisors (20222050740381).

60666152221131 is a wasteful number, since it uses less digits than its factorization.

60666152221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222050740380.

The product of its (nonzero) digits is 155520, while the sum is 42.

Adding to 60666152221131 its reverse (13112225166606), we get a palindrome (73778377387737).

The spelling of 60666152221131 in words is "sixty trillion, six hundred sixty-six billion, one hundred fifty-two million, two hundred twenty-one thousand, one hundred thirty-one".