2072164117747 has 8 divisors (see below), whose sum is σ = 2088359528832. Its totient is φ = 2055984216000.

The previous prime is 2072164117591. The next prime is 2072164117753. The reversal of 2072164117747 is 7477114612702.

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 2072164117747 - 2¹¹ = 2072164115699 is a prime.

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 2072164117747.

It is not an unprimeable number, because it can be changed into a prime (2072164117757) 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, 3609004 + ... + 4143577.

It is an arithmetic number, because the mean of its divisors is an integer number (261044941104).

Almost surely, 2^{2072164117747} is an apocalyptic number.

2072164117747 is a deficient number, since it is larger than the sum of its proper divisors (16195411085).

2072164117747 is a wasteful number, since it uses less digits than its factorization.

2072164117747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754669.

The product of its (nonzero) digits is 921984, while the sum is 49.

The spelling of 2072164117747 in words is "two trillion, seventy-two billion, one hundred sixty-four million, one hundred seventeen thousand, seven hundred forty-seven".