32665613562997 has 4 divisors (see below), whose sum is σ = 32666860225600. Its totient is φ = 32664366900396.

The previous prime is 32665613562929. The next prime is 32665613563007. The reversal of 32665613562997 is 79926531656623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32665613562997 is a prime.

It is a super-2 number, since 2×32665613562997² (a number of 28 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 (32665613563997) 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, 623291997 + ... + 623344402.

It is an arithmetic number, because the mean of its divisors is an integer number (8166715056400).

Almost surely, 2^{32665613562997} is an apocalyptic number.

It is an amenable number.

32665613562997 is a deficient number, since it is larger than the sum of its proper divisors (1246662603).

32665613562997 is a wasteful number, since it uses less digits than its factorization.

32665613562997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246662602.

The product of its digits is 661348800, while the sum is 70.

The spelling of 32665613562997 in words is "thirty-two trillion, six hundred sixty-five billion, six hundred thirteen million, five hundred sixty-two thousand, nine hundred ninety-seven".