60626781221 has 8 divisors (see below), whose sum is σ = 62803301400. Its totient is φ = 58483490560.

The previous prime is 60626781203. The next prime is 60626781223. The reversal of 60626781221 is 12218762606.

It can be written as a sum of positive squares in 4 ways, for example, as 4718178721 + 55908602500 = 68689^2 + 236450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60626781221 - 2²⁶ = 60559672357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60626781223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8303666 + ... + 8310963.

It is an arithmetic number, because the mean of its divisors is an integer number (7850412675).

Almost surely, 2^60626781221 is an apocalyptic number.

It is an amenable number.

60626781221 is a deficient number, since it is larger than the sum of its proper divisors (2176520179).

60626781221 is a wasteful number, since it uses less digits than its factorization.

60626781221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16614759.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 60626781221 in words is "sixty billion, six hundred twenty-six million, seven hundred eighty-one thousand, two hundred twenty-one".