2117572207662 has 16 divisors (see below), whose sum is σ = 4277076539472. Its totient is φ = 698868715200.

The previous prime is 2117572207651. The next prime is 2117572207679. The reversal of 2117572207662 is 2667022757112.

It is a happy number.

It is a super-2 number, since 2×2117572207662² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1747171183 + ... + 1747172394.

It is an arithmetic number, because the mean of its divisors is an integer number (267317283717).

Almost surely, 2^{2117572207662} is an apocalyptic number.

2117572207662 is an abundant number, since it is smaller than the sum of its proper divisors (2159504331810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117572207662 is a wasteful number, since it uses less digits than its factorization.

2117572207662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494343683.

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 2117572207662 in words is "two trillion, one hundred seventeen billion, five hundred seventy-two million, two hundred seven thousand, six hundred sixty-two".