662891062897 has 8 divisors (see below), whose sum is σ = 758768002496. Its totient is φ = 567308677392.

The previous prime is 662891062891. The next prime is 662891062907. The reversal of 662891062897 is 798260198266.

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 662891062897 - 2¹⁵ = 662891030129 is a prime.

It is a super-2 number, since 2×662891062897² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (662891062891) 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, 73633698 + ... + 73642699.

It is an arithmetic number, because the mean of its divisors is an integer number (94846000312).

Almost surely, 2^662891062897 is an apocalyptic number.

It is an amenable number.

662891062897 is a deficient number, since it is larger than the sum of its proper divisors (95876939599).

662891062897 is a wasteful number, since it uses less digits than its factorization.

662891062897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147277047.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 662891062897 in words is "six hundred sixty-two billion, eight hundred ninety-one million, sixty-two thousand, eight hundred ninety-seven".