606324221551 has 8 divisors (see below), whose sum is σ = 625454593200. Its totient is φ = 587338230528.

The previous prime is 606324221453. The next prime is 606324221561. The reversal of 606324221551 is 155122423606.

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 606324221551 - 2¹⁵ = 606324188783 is a prime.

It is a super-2 number, since 2×606324221551² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 606324221551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606324221561) 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, 36086626 + ... + 36103423.

It is an arithmetic number, because the mean of its divisors is an integer number (78181824150).

Almost surely, 2^606324221551 is an apocalyptic number.

606324221551 is a deficient number, since it is larger than the sum of its proper divisors (19130371649).

606324221551 is a wasteful number, since it uses less digits than its factorization.

606324221551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72190313.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 606324221551 in words is "six hundred six billion, three hundred twenty-four million, two hundred twenty-one thousand, five hundred fifty-one".