662621016167 has 4 divisors (see below), whose sum is σ = 722859290376. Its totient is φ = 602382741960.

The previous prime is 662621016103. The next prime is 662621016203. The reversal of 662621016167 is 761610126266.

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 662621016167 - 2⁶ = 662621016103 is a prime.

It is a super-2 number, since 2×662621016167² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662621010167) 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, 30119137088 + ... + 30119137109.

It is an arithmetic number, because the mean of its divisors is an integer number (180714822594).

Almost surely, 2^662621016167 is an apocalyptic number.

662621016167 is a deficient number, since it is larger than the sum of its proper divisors (60238274209).

662621016167 is a wasteful number, since it uses less digits than its factorization.

662621016167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60238274208.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 662621016167 in words is "six hundred sixty-two billion, six hundred twenty-one million, sixteen thousand, one hundred sixty-seven".